1245522960900 has 81 divisors (see below), whose sum is σ = 3904127472063. Its totient is φ = 332130528000.

The previous prime is 1245522960889. The next prime is 1245522960971. The reversal of 1245522960900 is 90692255421.

The square root of 1245522960900 is 1116030.

It is a perfect power (a square), and thus also a powerful number.

1245522960900 is a `hidden beast` number, since 1 + 2 + 4 + 552 + 2 + 9 + 6 + 0 + 90 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 516302605764 + 729220355136 = 718542^2 + 853944^2 .

It is a super-2 number, since 2×1245522960900² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33462300 + ... + 33499500.

Almost surely, 2^{1245522960900} is an apocalyptic number.

1245522960900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245522960900 is the 1116030-th square number.

It is an amenable number.

1245522960900 is an abundant number, since it is smaller than the sum of its proper divisors (2658604511163).

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

1245522960900 is an frugal number, since it uses more digits than its factorization.

1245522960900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74422 (or 37211 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 1245522960900 in words is "one trillion, two hundred forty-five billion, five hundred twenty-two million, nine hundred sixty thousand, nine hundred".