1229362957 has 2 divisors, whose sum is σ = 1229362958. Its totient is φ = 1229362956.

The previous prime is 1229362933. The next prime is 1229362961. The reversal of 1229362957 is 7592639221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155592036 + 73770921 = 33994^2 + 8589^2 .

It is an emirp because it is prime and its reverse (7592639221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1229362957 is a prime.

It is a super-2 number, since 2×1229362957² = 3022666560087567698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229362907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614681478 + 614681479.

It is an arithmetic number, because the mean of its divisors is an integer number (614681479).

Almost surely, 2^1229362957 is an apocalyptic number.

It is an amenable number.

1229362957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229362957 is an equidigital number, since it uses as much as digits as its factorization.

1229362957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 1229362957 is about 35062.2725589771. The cubic root of 1229362957 is about 1071.2562637203.

The spelling of 1229362957 in words is "one billion, two hundred twenty-nine million, three hundred sixty-two thousand, nine hundred fifty-seven".