1274397272 has 16 divisors (see below), whose sum is σ = 2418285240. Its totient is φ = 629521216.

The previous prime is 1274397251. The next prime is 1274397287. The reversal of 1274397272 is 2727934721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958973 + ... + 960300.

Almost surely, 2^1274397272 is an apocalyptic number.

It is an amenable number.

1274397272 is a deficient number, since it is larger than the sum of its proper divisors (1143887968).

1274397272 is a wasteful number, since it uses less digits than its factorization.

1274397272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919362 (or 1919358 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 1274397272 is about 35698.7012648920. The cubic root of 1274397272 is about 1084.1805479872.

The spelling of 1274397272 in words is "one billion, two hundred seventy-four million, three hundred ninety-seven thousand, two hundred seventy-two".