1295998455 has 16 divisors (see below), whose sum is σ = 2182734720. Its totient is φ = 654820128.

The previous prime is 1295998433. The next prime is 1295998463. The reversal of 1295998455 is 5548995921.

It is not a de Polignac number, because 1295998455 - 2²⁰ = 1294949879 is a prime.

It is a super-2 number, since 2×1295998455² = 3359223990724774050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 1295998395 and 1295998404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273397 + ... + 2273966.

It is an arithmetic number, because the mean of its divisors is an integer number (136420920).

Almost surely, 2^1295998455 is an apocalyptic number.

1295998455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1295998455 is a deficient number, since it is larger than the sum of its proper divisors (886736265).

1295998455 is a wasteful number, since it uses less digits than its factorization.

1295998455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547390.

The product of its digits is 5832000, while the sum is 57.

The square root of 1295998455 is about 35999.9785416603. The cubic root of 1295998455 is about 1090.2719224505.

The spelling of 1295998455 in words is "one billion, two hundred ninety-five million, nine hundred ninety-eight thousand, four hundred fifty-five".