1274419920 has 80 divisors (see below), whose sum is σ = 4078167552. Its totient is φ = 328880640.

The previous prime is 1274419907. The next prime is 1274419957. The reversal of 1274419920 is 299144721.

1274419920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1274419920² = 3248292264985612800, which contains 22 as substring.

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, 78207 + ... + 93086.

Almost surely, 2^1274419920 is an apocalyptic number.

1274419920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1274419920 is an abundant number, since it is smaller than the sum of its proper divisors (2803747632).

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

1274419920 is a wasteful number, since it uses less digits than its factorization.

1274419920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171340 (or 171334 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1274419920 is about 35699.0184739021. The cubic root of 1274419920 is about 1084.1869704678.

The spelling of 1274419920 in words is "one billion, two hundred seventy-four million, four hundred nineteen thousand, nine hundred twenty".