1297255310 has 16 divisors (see below), whose sum is σ = 2514679776. Its totient is φ = 478986528.

The previous prime is 1297255307. The next prime is 1297255313. The reversal of 1297255310 is 135527921.

It is an interprime number because it is at equal distance from previous prime (1297255307) and next prime (1297255313).

It is a super-2 number, since 2×1297255310² = 3365742678646392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297255313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4989314 + ... + 4989573.

It is an arithmetic number, because the mean of its divisors is an integer number (157167486).

Almost surely, 2^1297255310 is an apocalyptic number.

1297255310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297255310 is a deficient number, since it is larger than the sum of its proper divisors (1217424466).

1297255310 is a wasteful number, since it uses less digits than its factorization.

1297255310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978907.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1297255310 is about 36017.4306412881. The cubic root of 1297255310 is about 1090.6242559416.

The spelling of 1297255310 in words is "one billion, two hundred ninety-seven million, two hundred fifty-five thousand, three hundred ten".