1122901897 has 8 divisors (see below), whose sum is σ = 1209567744. Its totient is φ = 1036277328.

The previous prime is 1122901853. The next prime is 1122901903. The reversal of 1122901897 is 7981092211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122901897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122901807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68568 + ... + 83350.

It is an arithmetic number, because the mean of its divisors is an integer number (151195968).

Almost surely, 2^1122901897 is an apocalyptic number.

It is an amenable number.

1122901897 is a deficient number, since it is larger than the sum of its proper divisors (86665847).

1122901897 is a wasteful number, since it uses less digits than its factorization.

1122901897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20639.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 1122901897 is about 33509.7283934084. The cubic root of 1122901897 is about 1039.3949565642.

The spelling of 1122901897 in words is "one billion, one hundred twenty-two million, nine hundred one thousand, eight hundred ninety-seven".