1051252500 has 60 divisors (see below), whose sum is σ = 3065193824. Its totient is φ = 280332000.

The previous prime is 1051252481. The next prime is 1051252537. The reversal of 1051252500 is 52521501.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1051252500² = 2210263637512500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62584 + ... + 77583.

Almost surely, 2^1051252500 is an apocalyptic number.

1051252500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051252500 is an abundant number, since it is smaller than the sum of its proper divisors (2013941324).

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

1051252500 is a wasteful number, since it uses less digits than its factorization.

1051252500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140194 (or 140177 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1051252500 is about 32423.0242266202. The cubic root of 1051252500 is about 1016.8003347795.

The spelling of 1051252500 in words is "one billion, fifty-one million, two hundred fifty-two thousand, five hundred".