1240902 has 24 divisors (see below), whose sum is σ = 2895984. Its totient is φ = 381744.

The previous prime is 1240861. The next prime is 1240931. The reversal of 1240902 is 2090421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2418 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (120666).

2^1240902 is an apocalyptic number.

1240902 is an abundant number, since it is smaller than the sum of its proper divisors (1655082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240902 is a wasteful number, since it uses less digits than its factorization.

1240902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324 (or 5321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1240902 is about 1113.9578088958. The cubic root of 1240902 is about 107.4597505710.

The spelling of 1240902 in words is "one million, two hundred forty thousand, nine hundred two".