121719652 has 12 divisors (see below), whose sum is σ = 218205036. Its totient is φ = 59375360.

The previous prime is 121719649. The next prime is 121719673. The reversal of 121719652 is 256917121.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 59845696 = 7866^2 + 7736^2 .

It is a super-2 number, since 2×121719652² = 29631347366002208, which contains 22 as substring.

It is a plaindrome in base 14.

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, 370933 + ... + 371260.

It is an arithmetic number, because the mean of its divisors is an integer number (18183753).

Almost surely, 2^121719652 is an apocalyptic number.

It is an amenable number.

121719652 is a deficient number, since it is larger than the sum of its proper divisors (96485384).

121719652 is a wasteful number, since it uses less digits than its factorization.

121719652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742238 (or 742236 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 121719652 is about 11032.6629605005. The cubic root of 121719652 is about 495.5873747018.

The spelling of 121719652 in words is "one hundred twenty-one million, seven hundred nineteen thousand, six hundred fifty-two".