1290902 has 16 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 609960.

The previous prime is 1290901. The next prime is 1290907. The reversal of 1290902 is 2090921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (127872).

2^1290902 is an apocalyptic number.

1290902 is a deficient number, since it is larger than the sum of its proper divisors (755050).

1290902 is a wasteful number, since it uses less digits than its factorization.

1290902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1290902 is about 1136.1786831304. The cubic root of 1290902 is about 108.8840896739.

The spelling of 1290902 in words is "one million, two hundred ninety thousand, nine hundred two".