121677722 has 8 divisors (see below), whose sum is σ = 184132116. Its totient is φ = 60300352.

The previous prime is 121677713. The next prime is 121677761. The reversal of 121677722 is 227776121.

It can be written as a sum of positive squares in 2 ways, for example, as 93683041 + 27994681 = 9679^2 + 5291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121677722² = 29610936062218568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268973 + ... + 269424.

Almost surely, 2^121677722 is an apocalyptic number.

121677722 is a deficient number, since it is larger than the sum of its proper divisors (62454394).

121677722 is a wasteful number, since it uses less digits than its factorization.

121677722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538512.

The product of its digits is 16464, while the sum is 35.

The square root of 121677722 is about 11030.7625303059. The cubic root of 121677722 is about 495.5304615005.

The spelling of 121677722 in words is "one hundred twenty-one million, six hundred seventy-seven thousand, seven hundred twenty-two".