12051157 has 8 divisors (see below), whose sum is σ = 12541952. Its totient is φ = 11566800.

The previous prime is 12051139. The next prime is 12051167. The reversal of 12051157 is 75115021.

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 12051157 - 2⁷ = 12051029 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 (12051107) 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, 2407 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (1567744).

Almost surely, 2^12051157 is an apocalyptic number.

It is an amenable number.

12051157 is a deficient number, since it is larger than the sum of its proper divisors (490795).

12051157 is a wasteful number, since it uses less digits than its factorization.

12051157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 12051157 is about 3471.4776392770. The cubic root of 12051157 is about 229.2677214409.

Adding to 12051157 its reverse (75115021), we get a palindrome (87166178).

The spelling of 12051157 in words is "twelve million, fifty-one thousand, one hundred fifty-seven".