4155120542 has 8 divisors (see below), whose sum is σ = 6236017632. Its totient is φ = 2076448000.

The previous prime is 4155120533. The next prime is 4155120547. The reversal of 4155120542 is 2450215514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155120547) 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, 551459 + ... + 558942.

It is an arithmetic number, because the mean of its divisors is an integer number (779502204).

Almost surely, 2^4155120542 is an apocalyptic number.

4155120542 is a deficient number, since it is larger than the sum of its proper divisors (2080897090).

4155120542 is a wasteful number, since it uses less digits than its factorization.

4155120542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112274.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4155120542 is about 64460.2244954204. The cubic root of 4155120542 is about 1607.6612445210.

The spelling of 4155120542 in words is "four billion, one hundred fifty-five million, one hundred twenty thousand, five hundred forty-two".