1295963970 has 128 divisors (see below), whose sum is σ = 3755980800. Its totient is φ = 279562752.

The previous prime is 1295963939. The next prime is 1295963983. The reversal of 1295963970 is 793695921.

It is a happy number.

It is a super-2 number, since 2×1295963970² = 3359045223076321800, which contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1511782 + ... + 1512638.

It is an arithmetic number, because the mean of its divisors is an integer number (29343600).

Almost surely, 2^1295963970 is an apocalyptic number.

1295963970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295963970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877990400).

1295963970 is an abundant number, since it is smaller than the sum of its proper divisors (2460016830).

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

1295963970 is a wasteful number, since it uses less digits than its factorization.

1295963970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 918540, while the sum is 51.

The square root of 1295963970 is about 35999.4995798553. The cubic root of 1295963970 is about 1090.2622520787.

The spelling of 1295963970 in words is "one billion, two hundred ninety-five million, nine hundred sixty-three thousand, nine hundred seventy".