1025020152 has 72 divisors (see below), whose sum is σ = 3006104400. Its totient is φ = 315387072.

The previous prime is 1025020141. The next prime is 1025020153. The reversal of 1025020152 is 2510205201.

1025020152 is a `hidden beast` number, since 10 + 2 + 502 + 0 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1025020152² = 2101332624012206208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025020153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29952 + ... + 54287.

It is an arithmetic number, because the mean of its divisors is an integer number (41751450).

Almost surely, 2^1025020152 is an apocalyptic number.

1025020152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025020152 is an abundant number, since it is smaller than the sum of its proper divisors (1981084248).

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

1025020152 is a wasteful number, since it uses less digits than its factorization.

1025020152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84277 (or 84257 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1025020152 is about 32015.9359069823. The cubic root of 1025020152 is about 1008.2714452253.

Adding to 1025020152 its reverse (2510205201), we get a palindrome (3535225353).

The spelling of 1025020152 in words is "one billion, twenty-five million, twenty thousand, one hundred fifty-two".