401157037 has 4 divisors (see below), whose sum is σ = 401200416. Its totient is φ = 401113660.

The previous prime is 401156999. The next prime is 401157047. The reversal of 401157037 is 730751104.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 401157037 - 2²³ = 392768429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401156996 and 401157014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401157047) 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, 1639 + ... + 28372.

It is an arithmetic number, because the mean of its divisors is an integer number (100300104).

Almost surely, 2^401157037 is an apocalyptic number.

It is an amenable number.

401157037 is a deficient number, since it is larger than the sum of its proper divisors (43379).

401157037 is a wasteful number, since it uses less digits than its factorization.

401157037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43378.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 401157037 is about 20028.9050374702. The cubic root of 401157037 is about 737.5160426272.

The spelling of 401157037 in words is "four hundred one million, one hundred fifty-seven thousand, thirty-seven".