153121412 has 12 divisors (see below), whose sum is σ = 268232076. Its totient is φ = 76483680.

The previous prime is 153121403. The next prime is 153121417. The reversal of 153121412 is 214121351.

It can be written as a sum of positive squares in 2 ways, for example, as 61842496 + 91278916 = 7864^2 + 9554^2 .

It is not an unprimeable number, because it can be changed into a prime (153121417) 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, 14663 + ... + 22830.

It is an arithmetic number, because the mean of its divisors is an integer number (22352673).

Almost surely, 2^153121412 is an apocalyptic number.

It is an amenable number.

153121412 is a deficient number, since it is larger than the sum of its proper divisors (115110664).

153121412 is a wasteful number, since it uses less digits than its factorization.

153121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38518 (or 38516 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 153121412 is about 12374.2236928221. The cubic root of 153121412 is about 534.9895616212.

Adding to 153121412 its reverse (214121351), we get a palindrome (367242763).

The spelling of 153121412 in words is "one hundred fifty-three million, one hundred twenty-one thousand, four hundred twelve".