151051021 has 8 divisors (see below), whose sum is σ = 165511584. Its totient is φ = 136711920.

The previous prime is 151050989. The next prime is 151051037. The reversal of 151051021 is 120150151.

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

It is a cyclic number.

It is not a de Polignac number, because 151051021 - 2⁵ = 151050989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151050986 and 151051004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151051321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27750 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (20688948).

Almost surely, 2^151051021 is an apocalyptic number.

151051021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151051021 is a deficient number, since it is larger than the sum of its proper divisors (14460563).

151051021 is a wasteful number, since it uses less digits than its factorization.

151051021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60731.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 151051021 is about 12290.2815671570. The cubic root of 151051021 is about 532.5673712580.

The spelling of 151051021 in words is "one hundred fifty-one million, fifty-one thousand, twenty-one".