997275122 has 8 divisors (see below), whose sum is σ = 1501433472. Its totient is φ = 496797300.

The previous prime is 997275109. The next prime is 997275127. The reversal of 997275122 is 221572799.

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

It is a super-2 number, since 2×997275122² = 1989115337920229768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (997275127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919454 + ... + 920537.

It is an arithmetic number, because the mean of its divisors is an integer number (187679184).

Almost surely, 2^997275122 is an apocalyptic number.

997275122 is a deficient number, since it is larger than the sum of its proper divisors (504158350).

997275122 is a wasteful number, since it uses less digits than its factorization.

997275122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840264.

The product of its digits is 158760, while the sum is 44.

The square root of 997275122 is about 31579.6631077660. The cubic root of 997275122 is about 999.0908810866.

The spelling of 997275122 in words is "nine hundred ninety-seven million, two hundred seventy-five thousand, one hundred twenty-two".