38452121 has 4 divisors (see below), whose sum is σ = 39692544. Its totient is φ = 37211700.

The previous prime is 38452103. The next prime is 38452123. The reversal of 38452121 is 12125483.

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: 12125483 = 47 ⋅257989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38452121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38452123) 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, 620165 + ... + 620226.

It is an arithmetic number, because the mean of its divisors is an integer number (9923136).

Almost surely, 2^38452121 is an apocalyptic number.

38452121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38452121 is a deficient number, since it is larger than the sum of its proper divisors (1240423).

38452121 is a wasteful number, since it uses less digits than its factorization.

38452121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240422.

The product of its digits is 1920, while the sum is 26.

The square root of 38452121 is about 6200.9774229552. The cubic root of 38452121 is about 337.5256379244.

The spelling of 38452121 in words is "thirty-eight million, four hundred fifty-two thousand, one hundred twenty-one".