1249402 has 48 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 453600.

The previous prime is 1249397. The next prime is 1249403. The reversal of 1249402 is 2049421.

It is a super-2 number, since 2×1249402² = 3122010715208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1249403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20452 + ... + 20512.

It is an arithmetic number, because the mean of its divisors is an integer number (53010).

2^1249402 is an apocalyptic number.

1249402 is an abundant number, since it is smaller than the sum of its proper divisors (1295078).

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

1249402 is a wasteful number, since it uses less digits than its factorization.

1249402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1249402 is about 1117.7665230271. The cubic root of 1249402 is about 107.7045537356.

The spelling of 1249402 in words is "one million, two hundred forty-nine thousand, four hundred two".