1122331901 has 2 divisors, whose sum is σ = 1122331902. Its totient is φ = 1122331900.

The previous prime is 1122331883. The next prime is 1122331997. The reversal of 1122331901 is 1091332211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112155801 + 10176100 = 33349^2 + 3190^2 .

It is an emirp because it is prime and its reverse (1091332211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122331901 - 2²² = 1118137597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122331601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561165950 + 561165951.

It is an arithmetic number, because the mean of its divisors is an integer number (561165951).

Almost surely, 2^1122331901 is an apocalyptic number.

It is an amenable number.

1122331901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122331901 is an equidigital number, since it uses as much as digits as its factorization.

1122331901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1122331901 is about 33501.2223806834. Note that the first 3 decimals coincide. The cubic root of 1122331901 is about 1039.2190577785.

The spelling of 1122331901 in words is "one billion, one hundred twenty-two million, three hundred thirty-one thousand, nine hundred one".