1121475201 has 32 divisors (see below), whose sum is σ = 1902336000. Its totient is φ = 582578640.

The previous prime is 1121475191. The next prime is 1121475221. The reversal of 1121475201 is 1025741211.

It is not a de Polignac number, because 1121475201 - 2¹⁰ = 1121474177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121475221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38221 + ... + 60858.

It is an arithmetic number, because the mean of its divisors is an integer number (59448000).

Almost surely, 2^1121475201 is an apocalyptic number.

1121475201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121475201 is a deficient number, since it is larger than the sum of its proper divisors (780860799).

1121475201 is an equidigital number, since it uses as much as digits as its factorization.

1121475201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99114 (or 99100 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1121475201 is about 33488.4338391630. The cubic root of 1121475201 is about 1038.9545710759.

The spelling of 1121475201 in words is "one billion, one hundred twenty-one million, four hundred seventy-five thousand, two hundred one".