1372203345 has 16 divisors (see below), whose sum is σ = 2290983552. Its totient is φ = 700022400.

The previous prime is 1372203341. The next prime is 1372203359. The reversal of 1372203345 is 5433022731.

It is not a de Polignac number, because 1372203345 - 2² = 1372203341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372203341) 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 15 ways as a sum of consecutive naturals, for example, 1988356 + ... + 1989045.

It is an arithmetic number, because the mean of its divisors is an integer number (143186472).

Almost surely, 2^1372203345 is an apocalyptic number.

1372203345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1372203345 is a deficient number, since it is larger than the sum of its proper divisors (918780207).

1372203345 is a wasteful number, since it uses less digits than its factorization.

1372203345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977432.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 1372203345 is about 37043.2631526975. The cubic root of 1372203345 is about 1111.2356299358.

The spelling of 1372203345 in words is "one billion, three hundred seventy-two million, two hundred three thousand, three hundred forty-five".