1290907 has 2 divisors, whose sum is σ = 1290908. Its totient is φ = 1290906.

The previous prime is 1290901. The next prime is 1290923. The reversal of 1290907 is 7090921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1290907 - 2¹⁵ = 1258139 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1290901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645453 + 645454.

It is an arithmetic number, because the mean of its divisors is an integer number (645454).

2^1290907 is an apocalyptic number.

1290907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290907 is an equidigital number, since it uses as much as digits as its factorization.

1290907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1290907 is about 1136.1808834864. The cubic root of 1290907 is about 108.8842302525.

It can be divided in two parts, 1290 and 907, that added together give a cube (2197 = 13³).

The spelling of 1290907 in words is "one million, two hundred ninety thousand, nine hundred seven".