4122156457 has 8 divisors (see below), whose sum is σ = 4340072160. Its totient is φ = 3904336800.

The previous prime is 4122156427. The next prime is 4122156497. The reversal of 4122156457 is 7546512214.

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 4122156457 - 2¹⁵ = 4122123689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4122156427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74493 + ... + 117445.

It is an arithmetic number, because the mean of its divisors is an integer number (542509020).

Almost surely, 2^4122156457 is an apocalyptic number.

It is an amenable number.

4122156457 is a deficient number, since it is larger than the sum of its proper divisors (217915703).

4122156457 is a wasteful number, since it uses less digits than its factorization.

4122156457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48023.

The product of its digits is 67200, while the sum is 37.

The square root of 4122156457 is about 64204.0221247859. The cubic root of 4122156457 is about 1603.3985646596.

The spelling of 4122156457 in words is "four billion, one hundred twenty-two million, one hundred fifty-six thousand, four hundred fifty-seven".