121327772 has 6 divisors (see below), whose sum is σ = 212323608. Its totient is φ = 60663884.

The previous prime is 121327757. The next prime is 121327781. The reversal of 121327772 is 277723121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165968 + ... + 15165975.

It is an arithmetic number, because the mean of its divisors is an integer number (35387268).

Almost surely, 2^121327772 is an apocalyptic number.

It is an amenable number.

121327772 is a deficient number, since it is larger than the sum of its proper divisors (90995836).

121327772 is a wasteful number, since it uses less digits than its factorization.

121327772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331947 (or 30331945 counting only the distinct ones).

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

The square root of 121327772 is about 11014.8886512756. Note that the first 3 decimals coincide. The cubic root of 121327772 is about 495.0549501967.

The spelling of 121327772 in words is "one hundred twenty-one million, three hundred twenty-seven thousand, seven hundred seventy-two".