1371259880 has 32 divisors (see below), whose sum is σ = 3124396800. Its totient is φ = 541559616.

The previous prime is 1371259829. The next prime is 1371259889. The reversal of 1371259880 is 889521731.

It is a super-2 number, since 2×1371259880² = 3760707316995228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1371259889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213812 + ... + 220131.

It is an arithmetic number, because the mean of its divisors is an integer number (97637400).

Almost surely, 2^1371259880 is an apocalyptic number.

1371259880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371259880 is an abundant number, since it is smaller than the sum of its proper divisors (1753136920).

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

1371259880 is a wasteful number, since it uses less digits than its factorization.

1371259880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434033 (or 434029 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1371259880 is about 37030.5263262622. The cubic root of 1371259880 is about 1110.9808930803.

The spelling of 1371259880 in words is "one billion, three hundred seventy-one million, two hundred fifty-nine thousand, eight hundred eighty".