1295274190 has 32 divisors (see below), whose sum is σ = 2671649280. Its totient is φ = 442913184.

The previous prime is 1295274181. The next prime is 1295274193. The reversal of 1295274190 is 914725921.

It is a happy number.

It is a super-2 number, since 2×1295274190² = 3355470454560312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295274193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 50941.

It is an arithmetic number, because the mean of its divisors is an integer number (83489040).

Almost surely, 2^1295274190 is an apocalyptic number.

1295274190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295274190 is an abundant number, since it is smaller than the sum of its proper divisors (1376375090).

1295274190 is a wasteful number, since it uses less digits than its factorization.

1295274190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49216.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1295274190 is about 35989.9178937657. The cubic root of 1295274190 is about 1090.0687861649.

The spelling of 1295274190 in words is "one billion, two hundred ninety-five million, two hundred seventy-four thousand, one hundred ninety".