1120122801 has 18 divisors (see below), whose sum is σ = 1882111842. Its totient is φ = 640069920.

The previous prime is 1120122799. The next prime is 1120122803. The reversal of 1120122801 is 1082210211.

It is an interprime number because it is at equal distance from previous prime (1120122799) and next prime (1120122803).

It can be written as a sum of positive squares in only one way, i.e., 1051315776 + 68807025 = 32424^2 + 8295^2 .

It is not a de Polignac number, because 1120122801 - 2¹ = 1120122799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120122803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1269540 + ... + 1270421.

It is an arithmetic number, because the mean of its divisors is an integer number (104561769).

Almost surely, 2^1120122801 is an apocalyptic number.

It is an amenable number.

1120122801 is a deficient number, since it is larger than the sum of its proper divisors (761989041).

1120122801 is a wasteful number, since it uses less digits than its factorization.

1120122801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539981 (or 2539971 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1120122801 is about 33468.2357019309. The cubic root of 1120122801 is about 1038.5367739515.

The spelling of 1120122801 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, eight hundred one".