38031121 has 8 divisors (see below), whose sum is σ = 40336704. Its totient is φ = 35779920.

The previous prime is 38031101. The next prime is 38031127. The reversal of 38031121 is 12113083.

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

It is a cyclic number.

It is not a de Polignac number, because 38031121 - 2¹⁵ = 37998353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38031127) 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, 12151 + ... + 14956.

It is an arithmetic number, because the mean of its divisors is an integer number (5042088).

Almost surely, 2^38031121 is an apocalyptic number.

It is an amenable number.

38031121 is a deficient number, since it is larger than the sum of its proper divisors (2305583).

38031121 is a wasteful number, since it uses less digits than its factorization.

38031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27191.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 38031121 is about 6166.9377327812. The cubic root of 38031121 is about 336.2892946159.

The spelling of 38031121 in words is "thirty-eight million, thirty-one thousand, one hundred twenty-one".