407001157 has 4 divisors (see below), whose sum is σ = 407226240. Its totient is φ = 406776076.

The previous prime is 407001121. The next prime is 407001191. The reversal of 407001157 is 751100704.

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 a de Polignac number, because none of the positive numbers 2^k-407001157 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 (407001557) 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, 109807 + ... + 113452.

It is an arithmetic number, because the mean of its divisors is an integer number (101806560).

Almost surely, 2^407001157 is an apocalyptic number.

It is an amenable number.

407001157 is a deficient number, since it is larger than the sum of its proper divisors (225083).

407001157 is a wasteful number, since it uses less digits than its factorization.

407001157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225082.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 407001157 is about 20174.2696769920. The cubic root of 407001157 is about 741.0802077764.

The spelling of 407001157 in words is "four hundred seven million, one thousand, one hundred fifty-seven".