151122081 has 32 divisors (see below), whose sum is σ = 226321920. Its totient is φ = 88905600.

The previous prime is 151122079. The next prime is 151122109. The reversal of 151122081 is 180221151.

It is not a de Polignac number, because 151122081 - 2¹ = 151122079 is a prime.

It is a super-2 number, since 2×151122081² = 45675766731541122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151122481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398550 + ... + 398928.

It is an arithmetic number, because the mean of its divisors is an integer number (7072560).

Almost surely, 2^151122081 is an apocalyptic number.

151122081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151122081 is a deficient number, since it is larger than the sum of its proper divisors (75199839).

151122081 is a wasteful number, since it uses less digits than its factorization.

151122081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 151122081 is about 12293.1721292757. The cubic root of 151122081 is about 532.6508713104.

The spelling of 151122081 in words is "one hundred fifty-one million, one hundred twenty-two thousand, eighty-one".