1372099 has 4 divisors (see below), whose sum is σ = 1378080. Its totient is φ = 1366120.

The previous prime is 1372097. The next prime is 1372103. The reversal of 1372099 is 9902731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9902731 = 151 ⋅65581.

It is a cyclic number.

It is not a de Polignac number, because 1372099 - 2¹ = 1372097 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (344520).

2^1372099 is an apocalyptic number.

1372099 is a deficient number, since it is larger than the sum of its proper divisors (5981).

1372099 is an equidigital number, since it uses as much as digits as its factorization.

1372099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1372099 is about 1171.3662962541. The cubic root of 1372099 is about 111.1207462385.

It can be divided in two parts, 1 and 372099, that added together give a square (372100 = 610²).

The spelling of 1372099 in words is "one million, three hundred seventy-two thousand, ninety-nine".