1229957 has 2 divisors, whose sum is σ = 1229958. Its totient is φ = 1229956.

The previous prime is 1229941. The next prime is 1229981. The reversal of 1229957 is 7599221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 160801 = 1034^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229957 - 2⁴ = 1229941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614978 + 614979.

It is an arithmetic number, because the mean of its divisors is an integer number (614979).

2^1229957 is an apocalyptic number.

It is an amenable number.

1229957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229957 is an equidigital number, since it uses as much as digits as its factorization.

1229957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 1229957 is about 1109.0342645744. The cubic root of 1229957 is about 107.1428783915.

The spelling of 1229957 in words is "one million, two hundred twenty-nine thousand, nine hundred fifty-seven".