121773272 has 24 divisors (see below), whose sum is σ = 230287260. Its totient is φ = 60367680.

The previous prime is 121773259. The next prime is 121773283. The reversal of 121773272 is 272377121.

It is a super-3 number, since 3×121773272³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149747 + ... + 150557.

Almost surely, 2^121773272 is an apocalyptic number.

It is an amenable number.

121773272 is a deficient number, since it is larger than the sum of its proper divisors (108513988).

121773272 is an equidigital number, since it uses as much as digits as its factorization.

121773272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 950 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 121773272 is about 11035.0927499500. The cubic root of 121773272 is about 495.6601361486.

The spelling of 121773272 in words is "one hundred twenty-one million, seven hundred seventy-three thousand, two hundred seventy-two".