154981016122 has 8 divisors (see below), whose sum is σ = 232544891700. Its totient is φ = 77466052224.

The previous prime is 154981016119. The next prime is 154981016131. The reversal of 154981016122 is 221610189451.

It can be written as a sum of positive squares in 2 ways, for example, as 125465432521 + 29515583601 = 354211^2 + 171801^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12219997 + ... + 12232672.

Almost surely, 2^154981016122 is an apocalyptic number.

154981016122 is a deficient number, since it is larger than the sum of its proper divisors (77563875578).

154981016122 is a wasteful number, since it uses less digits than its factorization.

154981016122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24455840.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 154981016122 in words is "one hundred fifty-four billion, nine hundred eighty-one million, sixteen thousand, one hundred twenty-two".