1252232300 has 36 divisors (see below), whose sum is σ = 2964377976. Its totient is φ = 455356800.

The previous prime is 1252232287. The next prime is 1252232363. The reversal of 1252232300 is 32322521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568097 + ... + 570296.

Almost surely, 2^1252232300 is an apocalyptic number.

1252232300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252232300 is an abundant number, since it is smaller than the sum of its proper divisors (1712145676).

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

1252232300 is a wasteful number, since it uses less digits than its factorization.

1252232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138418 (or 1138411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1252232300 is about 35386.8944667373. The cubic root of 1252232300 is about 1077.8582096145.

Adding to 1252232300 its reverse (32322521), we get a palindrome (1284554821).

The spelling of 1252232300 in words is "one billion, two hundred fifty-two million, two hundred thirty-two thousand, three hundred".