2401157 has 4 divisors (see below), whose sum is σ = 2619456. Its totient is φ = 2182860.

The previous prime is 2401127. The next prime is 2401159. The reversal of 2401157 is 7511042.

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.

It is a cyclic number.

It is not a de Polignac number, because 2401157 - 2¹² = 2397061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401159) 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, 109133 + ... + 109154.

It is an arithmetic number, because the mean of its divisors is an integer number (654864).

2^2401157 is an apocalyptic number.

It is an amenable number.

2401157 is a deficient number, since it is larger than the sum of its proper divisors (218299).

2401157 is a wasteful number, since it uses less digits than its factorization.

2401157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218298.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2401157 is about 1549.5667136332. The cubic root of 2401157 is about 133.9081013912.

Adding to 2401157 its reverse (7511042), we get a palindrome (9912199).

The spelling of 2401157 in words is "two million, four hundred one thousand, one hundred fifty-seven".