37124561 has 4 divisors (see below), whose sum is σ = 37261824. Its totient is φ = 36987300.

The previous prime is 37124533. The next prime is 37124567. The reversal of 37124561 is 16542173.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16542173 = 17 ⋅973069.

It is a cyclic number.

It is not a de Polignac number, because 37124561 - 2¹⁸ = 36862417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37124567) 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, 68225 + ... + 68766.

It is an arithmetic number, because the mean of its divisors is an integer number (9315456).

Almost surely, 2^37124561 is an apocalyptic number.

It is an amenable number.

37124561 is a deficient number, since it is larger than the sum of its proper divisors (137263).

37124561 is a wasteful number, since it uses less digits than its factorization.

37124561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137262.

The product of its digits is 5040, while the sum is 29.

The square root of 37124561 is about 6092.9927785941. The cubic root of 37124561 is about 333.5956986613.

The spelling of 37124561 in words is "thirty-seven million, one hundred twenty-four thousand, five hundred sixty-one".