1047255242 has 12 divisors (see below), whose sum is σ = 1726673298. Its totient is φ = 476025000.

The previous prime is 1047255241. The next prime is 1047255271. The reversal of 1047255242 is 2425527401.

It can be written as a sum of positive squares in only one way, i.e., 1023936001 + 23319241 = 31999^2 + 4829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1047255199 and 1047255208.

It is not an unprimeable number, because it can be changed into a prime (1047255241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2163509 + ... + 2163992.

Almost surely, 2^1047255242 is an apocalyptic number.

1047255242 is a deficient number, since it is larger than the sum of its proper divisors (679418056).

1047255242 is a wasteful number, since it uses less digits than its factorization.

1047255242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327525 (or 4327514 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1047255242 is about 32361.3232424139. The cubic root of 1047255242 is about 1015.5099452492.

The spelling of 1047255242 in words is "one billion, forty-seven million, two hundred fifty-five thousand, two hundred forty-two".