121523132 has 6 divisors (see below), whose sum is σ = 212665488. Its totient is φ = 60761564.

The previous prime is 121523063. The next prime is 121523167. The reversal of 121523132 is 231325121.

It is a super-2 number, since 2×121523132² = 29535743222178848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15190388 + ... + 15190395.

It is an arithmetic number, because the mean of its divisors is an integer number (35444248).

Almost surely, 2^121523132 is an apocalyptic number.

It is an amenable number.

121523132 is a deficient number, since it is larger than the sum of its proper divisors (91142356).

121523132 is a wasteful number, since it uses less digits than its factorization.

121523132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30380787 (or 30380785 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 121523132 is about 11023.7530814147. The cubic root of 121523132 is about 495.3205175129.

Adding to 121523132 its reverse (231325121), we get a palindrome (352848253).

The spelling of 121523132 in words is "one hundred twenty-one million, five hundred twenty-three thousand, one hundred thirty-two".