1372842061 has 4 divisors (see below), whose sum is σ = 1373852124. Its totient is φ = 1371832000.

The previous prime is 1372842047. The next prime is 1372842071. The reversal of 1372842061 is 1602482731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639786436 + 733055625 = 25294^2 + 27075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372842061 - 2¹¹ = 1372840013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372842011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502990 + ... + 505711.

It is an arithmetic number, because the mean of its divisors is an integer number (343463031).

Almost surely, 2^1372842061 is an apocalyptic number.

It is an amenable number.

1372842061 is a deficient number, since it is larger than the sum of its proper divisors (1010063).

1372842061 is a wasteful number, since it uses less digits than its factorization.

1372842061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010062.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1372842061 is about 37051.8833664363. The cubic root of 1372842061 is about 1111.4080178654.

The spelling of 1372842061 in words is "one billion, three hundred seventy-two million, eight hundred forty-two thousand, sixty-one".