1240957 has 2 divisors, whose sum is σ = 1240958. Its totient is φ = 1240956.

The previous prime is 1240931. The next prime is 1240973. The reversal of 1240957 is 7590421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 298116 = 971^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240957 - 2¹⁵ = 1208189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620478 + 620479.

It is an arithmetic number, because the mean of its divisors is an integer number (620479).

2^1240957 is an apocalyptic number.

It is an amenable number.

1240957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240957 is an equidigital number, since it uses as much as digits as its factorization.

1240957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1240957 is about 1113.9824953741. The cubic root of 1240957 is about 107.4613381793.

It can be divided in two parts, 1240 and 957, that added together give a cube (2197 = 13³).

The spelling of 1240957 in words is "one million, two hundred forty thousand, nine hundred fifty-seven".