121573132 has 12 divisors (see below), whose sum is σ = 212831080. Its totient is φ = 60764256.

The previous prime is 121573129. The next prime is 121573141. The reversal of 121573132 is 231375121.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 121573097 and 121573106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15703 + ... + 22129.

Almost surely, 2^121573132 is an apocalyptic number.

It is an amenable number.

121573132 is a deficient number, since it is larger than the sum of its proper divisors (91257948).

121573132 is a wasteful number, since it uses less digits than its factorization.

121573132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160 (or 11158 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 121573132 is about 11026.0206783771. The cubic root of 121573132 is about 495.3884404662.

It can be divided in two parts, 1215 and 73132, that added together give a palindrome (74347).

The spelling of 121573132 in words is "one hundred twenty-one million, five hundred seventy-three thousand, one hundred thirty-two".