151054021 has 2 divisors, whose sum is σ = 151054022. Its totient is φ = 151054020.

The previous prime is 151054019. The next prime is 151054037. The reversal of 151054021 is 120450151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 60233121 = 9530^2 + 7761^2 .

It is a cyclic number.

It is not a de Polignac number, because 151054021 - 2¹ = 151054019 is a prime.

Together with 151054019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 151054021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151054121) 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 as a sum of consecutive naturals, namely, 75527010 + 75527011.

It is an arithmetic number, because the mean of its divisors is an integer number (75527011).

Almost surely, 2^151054021 is an apocalyptic number.

It is an amenable number.

151054021 is a deficient number, since it is larger than the sum of its proper divisors (1).

151054021 is an equidigital number, since it uses as much as digits as its factorization.

151054021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 151054021 is about 12290.4036142024. The cubic root of 151054021 is about 532.5708969796.

The spelling of 151054021 in words is "one hundred fifty-one million, fifty-four thousand, twenty-one".