1026252045 has 64 divisors (see below), whose sum is σ = 2245501440. Its totient is φ = 433050624.

The previous prime is 1026252041. The next prime is 1026252049. The reversal of 1026252045 is 5402526201.

1026252045 is a `hidden beast` number, since 10 + 2 + 625 + 20 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1026252041) and next prime (1026252049).

It is not a de Polignac number, because 1026252045 - 2² = 1026252041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026252041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29484 + ... + 54053.

It is an arithmetic number, because the mean of its divisors is an integer number (35085960).

Almost surely, 2^1026252045 is an apocalyptic number.

1026252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1026252045 is an abundant number, since it is smaller than the sum of its proper divisors (1219249395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1026252045 is a wasteful number, since it uses less digits than its factorization.

1026252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83571 (or 83565 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1026252045 is about 32035.1688773448. The cubic root of 1026252045 is about 1008.6752048577.

Adding to 1026252045 its reverse (5402526201), we get a palindrome (6428778246).

The spelling of 1026252045 in words is "one billion, twenty-six million, two hundred fifty-two thousand, forty-five".