37442121 has 8 divisors (see below), whose sum is σ = 51084000. Its totient is φ = 24380832.

The previous prime is 37442117. The next prime is 37442123. The reversal of 37442121 is 12124473.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37442121 - 2² = 37442117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37442091 and 37442100.

It is not an unprimeable number, because it can be changed into a prime (37442123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144996 + ... + 145253.

It is an arithmetic number, because the mean of its divisors is an integer number (6385500).

Almost surely, 2^37442121 is an apocalyptic number.

It is an amenable number.

37442121 is a deficient number, since it is larger than the sum of its proper divisors (13641879).

37442121 is a wasteful number, since it uses less digits than its factorization.

37442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290295.

The product of its digits is 1344, while the sum is 24.

The square root of 37442121 is about 6118.9967314912. The cubic root of 37442121 is about 334.5441814370.

Adding to 37442121 its reverse (12124473), we get a palindrome (49566594).

The spelling of 37442121 in words is "thirty-seven million, four hundred forty-two thousand, one hundred twenty-one".