151362121 has 4 divisors (see below), whose sum is σ = 152467092. Its totient is φ = 150257152.

The previous prime is 151362089. The next prime is 151362143. The reversal of 151362121 is 121263151.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80802121 + 70560000 = 8989^2 + 8400^2 .

It is a cyclic number.

It is not a de Polignac number, because 151362121 - 2⁵ = 151362089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151362092 and 151362101.

It is not an unprimeable number, because it can be changed into a prime (151362191) 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 3 ways as a sum of consecutive naturals, for example, 552280 + ... + 552553.

It is an arithmetic number, because the mean of its divisors is an integer number (38116773).

Almost surely, 2^151362121 is an apocalyptic number.

It is an amenable number.

151362121 is a deficient number, since it is larger than the sum of its proper divisors (1104971).

151362121 is a wasteful number, since it uses less digits than its factorization.

151362121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104970.

The product of its digits is 360, while the sum is 22.

The square root of 151362121 is about 12302.9313986545. The cubic root of 151362121 is about 532.9327402875.

The spelling of 151362121 in words is "one hundred fifty-one million, three hundred sixty-two thousand, one hundred twenty-one".