1372454020 has 48 divisors (see below), whose sum is σ = 3339036288. Its totient is φ = 464106240.

The previous prime is 1372454009. The next prime is 1372454033. The reversal of 1372454020 is 204542731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1372454020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56926 + ... + 77365.

It is an arithmetic number, because the mean of its divisors is an integer number (69563256).

Almost surely, 2^1372454020 is an apocalyptic number.

1372454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372454020 is an abundant number, since it is smaller than the sum of its proper divisors (1966582268).

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

1372454020 is a wasteful number, since it uses less digits than its factorization.

1372454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134380 (or 134378 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1372454020 is about 37046.6465418936. The cubic root of 1372454020 is about 1111.3032928984.

Adding to 1372454020 its reverse (204542731), we get a palindrome (1576996751).

The spelling of 1372454020 in words is "one billion, three hundred seventy-two million, four hundred fifty-four thousand, twenty".