4000120154 has 16 divisors (see below), whose sum is σ = 6253877760. Its totient is φ = 1916747280.

The previous prime is 4000120153. The next prime is 4000120171. The reversal of 4000120154 is 4510210004.

It is a super-2 number, since 2×4000120154² = 32001922492873967432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4000120151) 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, 306809 + ... + 319580.

It is an arithmetic number, because the mean of its divisors is an integer number (390867360).

Almost surely, 2^4000120154 is an apocalyptic number.

4000120154 is a deficient number, since it is larger than the sum of its proper divisors (2253757606).

4000120154 is a wasteful number, since it uses less digits than its factorization.

4000120154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626525.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4000120154 is about 63246.5030970092. The cubic root of 4000120154 is about 1587.4169461912.

Adding to 4000120154 its reverse (4510210004), we get a palindrome (8510330158).

The spelling of 4000120154 in words is "four billion, one hundred twenty thousand, one hundred fifty-four".