1047262369 has 2 divisors, whose sum is σ = 1047262370. Its totient is φ = 1047262368.

The previous prime is 1047262361. The next prime is 1047262399. The reversal of 1047262369 is 9632627401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917302369 + 129960000 = 30287^2 + 11400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047262369 - 2³ = 1047262361 is a prime.

It is a super-2 number, since 2×1047262369² = 2193516939046984322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1047262361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523631184 + 523631185.

It is an arithmetic number, because the mean of its divisors is an integer number (523631185).

Almost surely, 2^1047262369 is an apocalyptic number.

It is an amenable number.

1047262369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047262369 is an equidigital number, since it uses as much as digits as its factorization.

1047262369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1047262369 is about 32361.4333582430. The cubic root of 1047262369 is about 1015.5122488974.

The spelling of 1047262369 in words is "one billion, forty-seven million, two hundred sixty-two thousand, three hundred sixty-nine".