1372021260 has 24 divisors (see below), whose sum is σ = 3841659696. Its totient is φ = 365872320.

The previous prime is 1372021201. The next prime is 1372021271. The reversal of 1372021260 is 621202731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372021260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11433451 + ... + 11433570.

It is an arithmetic number, because the mean of its divisors is an integer number (160069154).

Almost surely, 2^1372021260 is an apocalyptic number.

1372021260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372021260 is an abundant number, since it is smaller than the sum of its proper divisors (2469638436).

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

1372021260 is a wasteful number, since it uses less digits than its factorization.

1372021260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867033 (or 22867031 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1372021260 is about 37040.8053368174. The cubic root of 1372021260 is about 1111.1864758288.

Adding to 1372021260 its reverse (621202731), we get a palindrome (1993223991).

It can be divided in two parts, 13720 and 21260, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 1372021260 in words is "one billion, three hundred seventy-two million, twenty-one thousand, two hundred sixty".