152150121421 has 4 divisors (see below), whose sum is σ = 152157220000. Its totient is φ = 152143022844.

The previous prime is 152150121407. The next prime is 152150121439. The reversal of 152150121421 is 124121051251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152150121421 - 2⁷ = 152150121293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152150124421) 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, 3517041 + ... + 3560038.

It is an arithmetic number, because the mean of its divisors is an integer number (38039305000).

Almost surely, 2^152150121421 is an apocalyptic number.

It is an amenable number.

152150121421 is a deficient number, since it is larger than the sum of its proper divisors (7098579).

152150121421 is an equidigital number, since it uses as much as digits as its factorization.

152150121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098578.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 152150121421 its reverse (124121051251), we get a palindrome (276271172672).

The spelling of 152150121421 in words is "one hundred fifty-two billion, one hundred fifty million, one hundred twenty-one thousand, four hundred twenty-one".