1047239002 has 4 divisors (see below), whose sum is σ = 1570858506. Its totient is φ = 523619500.

The previous prime is 1047238991. The next prime is 1047239029. The reversal of 1047239002 is 2009327401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 807639561 + 239599441 = 28419^2 + 15479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261809749 + ... + 261809752.

Almost surely, 2^1047239002 is an apocalyptic number.

1047239002 is a deficient number, since it is larger than the sum of its proper divisors (523619504).

1047239002 is an equidigital number, since it uses as much as digits as its factorization.

1047239002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523619503.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1047239002 is about 32361.0723246310. The cubic root of 1047239002 is about 1015.5046959823.

The spelling of 1047239002 in words is "one billion, forty-seven million, two hundred thirty-nine thousand, two".