1065397274 has 12 divisors (see below), whose sum is σ = 1651313322. Its totient is φ = 515513880.

The previous prime is 1065397219. The next prime is 1065397297. The reversal of 1065397274 is 4727935601.

It can be written as a sum of positive squares in only one way, i.e., 822255625 + 243141649 = 28675^2 + 15593^2 .

It is a super-2 number, since 2×1065397274² = 2270142702893262152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275237 + ... + 279080.

Almost surely, 2^1065397274 is an apocalyptic number.

1065397274 is a deficient number, since it is larger than the sum of its proper divisors (585916048).

1065397274 is an equidigital number, since it uses as much as digits as its factorization.

1065397274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554381 (or 554350 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1065397274 is about 32640.4239249431. The cubic root of 1065397274 is about 1021.3404374815.

The spelling of 1065397274 in words is "one billion, sixty-five million, three hundred ninety-seven thousand, two hundred seventy-four".