1372402 has 4 divisors (see below), whose sum is σ = 2058606. Its totient is φ = 686200.

The previous prime is 1372391. The next prime is 1372403. The reversal of 1372402 is 2042731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042731 = 29 ⋅70439.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 546121 = 909^2 + 739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1372402.

It is not an unprimeable number, because it can be changed into a prime (1372403) 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 as a sum of consecutive naturals, namely, 343099 + ... + 343102.

2^1372402 is an apocalyptic number.

1372402 is a deficient number, since it is larger than the sum of its proper divisors (686204).

1372402 is an equidigital number, since it uses as much as digits as its factorization.

1372402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686203.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1372402 is about 1171.4956252586. The cubic root of 1372402 is about 111.1289252178.

The spelling of 1372402 in words is "one million, three hundred seventy-two thousand, four hundred two".