1272474000 has 240 divisors, whose sum is σ = 5079734400. Its totient is φ = 290822400.

The previous prime is 1272473989. The next prime is 1272474031. The reversal of 1272474000 is 4742721.

It is a happy number.

1272474000 is a `hidden beast` number, since 12 + 7 + 247 + 400 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120951 + ... + 131049.

It is an arithmetic number, because the mean of its divisors is an integer number (21165560).

Almost surely, 2^1272474000 is an apocalyptic number.

1272474000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272474000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2539867200).

1272474000 is an abundant number, since it is smaller than the sum of its proper divisors (3807260400).

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

1272474000 is a wasteful number, since it uses less digits than its factorization.

1272474000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135 (or 10116 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 1272474000 is about 35671.7535313306. The cubic root of 1272474000 is about 1083.6348720109.

The spelling of 1272474000 in words is "one billion, two hundred seventy-two million, four hundred seventy-four thousand".