1330957 has 2 divisors, whose sum is σ = 1330958. Its totient is φ = 1330956.

The previous prime is 1330943. The next prime is 1330961. The reversal of 1330957 is 7590331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978121 + 352836 = 989^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330957 - 2¹¹ = 1328909 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 (1330997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665478 + 665479.

It is an arithmetic number, because the mean of its divisors is an integer number (665479).

2^1330957 is an apocalyptic number.

It is an amenable number.

1330957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330957 is an equidigital number, since it uses as much as digits as its factorization.

1330957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1330957 is about 1153.6710969770. The cubic root of 1330957 is about 109.9988154142.

It can be divided in two parts, 13309 and 57, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 1330957 in words is "one million, three hundred thirty thousand, nine hundred fifty-seven".