1295402980 has 12 divisors (see below), whose sum is σ = 2720346300. Its totient is φ = 518161184.

The previous prime is 1295402971. The next prime is 1295402981. The reversal of 1295402980 is 892045921.

It can be written as a sum of positive squares in 2 ways, for example, as 385415424 + 909987556 = 19632^2 + 30166^2 .

It is not an unprimeable number, because it can be changed into a prime (1295402981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32385055 + ... + 32385094.

It is an arithmetic number, because the mean of its divisors is an integer number (226695525).

Almost surely, 2^1295402980 is an apocalyptic number.

1295402980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1295402980 is an abundant number, since it is smaller than the sum of its proper divisors (1424943320).

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

1295402980 is a wasteful number, since it uses less digits than its factorization.

1295402980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64770158 (or 64770156 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1295402980 is about 35991.7071003863. The cubic root of 1295402980 is about 1090.1049137296.

The spelling of 1295402980 in words is "one billion, two hundred ninety-five million, four hundred two thousand, nine hundred eighty".