149362121 has 4 divisors (see below), whose sum is σ = 150136212. Its totient is φ = 148588032.

The previous prime is 149362111. The next prime is 149362127. The reversal of 149362121 is 121263941.

149362121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 58369600 + 90992521 = 7640^2 + 9539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149362121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149362127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386756 + ... + 387141.

It is an arithmetic number, because the mean of its divisors is an integer number (37534053).

Almost surely, 2^149362121 is an apocalyptic number.

It is an amenable number.

149362121 is a deficient number, since it is larger than the sum of its proper divisors (774091).

149362121 is an equidigital number, since it uses as much as digits as its factorization.

149362121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774090.

The product of its digits is 2592, while the sum is 29.

The square root of 149362121 is about 12221.3796684335. The cubic root of 149362121 is about 530.5750504614.

The spelling of 149362121 in words is "one hundred forty-nine million, three hundred sixty-two thousand, one hundred twenty-one".