1274242355 has 16 divisors (see below), whose sum is σ = 1547320320. Its totient is φ = 1007285088.

The previous prime is 1274242351. The next prime is 1274242367. The reversal of 1274242355 is 5532424721.

It is a cyclic number.

It is not a de Polignac number, because 1274242355 - 2² = 1274242351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1274242351) 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, 256586 + ... + 261504.

It is an arithmetic number, because the mean of its divisors is an integer number (96707520).

Almost surely, 2^1274242355 is an apocalyptic number.

1274242355 is a deficient number, since it is larger than the sum of its proper divisors (273077965).

1274242355 is a wasteful number, since it uses less digits than its factorization.

1274242355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its digits is 67200, while the sum is 35.

The square root of 1274242355 is about 35696.5314141304. The cubic root of 1274242355 is about 1084.1366148517.

The spelling of 1274242355 in words is "one billion, two hundred seventy-four million, two hundred forty-two thousand, three hundred fifty-five".