121010997 has 8 divisors (see below), whose sum is σ = 166911840. Its totient is φ = 77892080.

The previous prime is 121010983. The next prime is 121010999. The reversal of 121010997 is 799010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010997 - 2⁶ = 121010933 is a prime.

It is a super-2 number, since 2×121010997² = 29287322789868018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695379 + ... + 695552.

It is an arithmetic number, because the mean of its divisors is an integer number (20863980).

Almost surely, 2^121010997 is an apocalyptic number.

It is an amenable number.

121010997 is a deficient number, since it is larger than the sum of its proper divisors (45900843).

121010997 is a wasteful number, since it uses less digits than its factorization.

121010997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390963.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 121010997 is about 11000.4998522794. The cubic root of 121010997 is about 494.6237279270.

The spelling of 121010997 in words is "one hundred twenty-one million, ten thousand, nine hundred ninety-seven".