6121120154 has 4 divisors (see below), whose sum is σ = 9181680234. Its totient is φ = 3060560076.

The previous prime is 6121120151. The next prime is 6121120177. The reversal of 6121120154 is 4510211216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4826775625 + 1294344529 = 69475^2 + 35977^2 .

It is a super-2 number, since 2×6121120154² = 74936223879409967432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6121120151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530280037 + ... + 1530280040.

Almost surely, 2^6121120154 is an apocalyptic number.

6121120154 is a deficient number, since it is larger than the sum of its proper divisors (3060560080).

6121120154 is a wasteful number, since it uses less digits than its factorization.

6121120154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060560079.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 6121120154 is about 78237.5878590336. The cubic root of 6121120154 is about 1829.2664457200.

The spelling of 6121120154 in words is "six billion, one hundred twenty-one million, one hundred twenty thousand, one hundred fifty-four".