1012252450 has 24 divisors (see below), whose sum is σ = 2053953360. Its totient is φ = 368091600.

The previous prime is 1012252433. The next prime is 1012252477. The reversal of 1012252450 is 542522101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 919680 + ... + 920779.

It is an arithmetic number, because the mean of its divisors is an integer number (85581390).

Almost surely, 2^1012252450 is an apocalyptic number.

1012252450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012252450 is an abundant number, since it is smaller than the sum of its proper divisors (1041700910).

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

1012252450 is a wasteful number, since it uses less digits than its factorization.

1012252450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840482 (or 1840477 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1012252450 is about 31815.9150426324. The cubic root of 1012252450 is about 1004.0675823409.

Adding to 1012252450 its reverse (542522101), we get a palindrome (1554774551).

The spelling of 1012252450 in words is "one billion, twelve million, two hundred fifty-two thousand, four hundred fifty".