1372274061 has 4 divisors (see below), whose sum is σ = 1829698752. Its totient is φ = 914849372.

The previous prime is 1372274041. The next prime is 1372274177. The reversal of 1372274061 is 1604722731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372274061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372274041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228712341 + ... + 228712346.

It is an arithmetic number, because the mean of its divisors is an integer number (457424688).

Almost surely, 2^1372274061 is an apocalyptic number.

It is an amenable number.

1372274061 is a deficient number, since it is larger than the sum of its proper divisors (457424691).

1372274061 is an equidigital number, since it uses as much as digits as its factorization.

1372274061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457424690.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1372274061 is about 37044.2176459431. The cubic root of 1372274061 is about 1111.2547186491.

Adding to 1372274061 its reverse (1604722731), we get a palindrome (2976996792).

The spelling of 1372274061 in words is "one billion, three hundred seventy-two million, two hundred seventy-four thousand, sixty-one".