1121454801 has 10 divisors (see below), whose sum is σ = 1675259762. Its totient is φ = 747636480.

The previous prime is 1121454799. The next prime is 1121454821. The reversal of 1121454801 is 1084541211.

It is a happy number.

1121454801 is a `hidden beast` number, since 112 + 1 + 4 + 548 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 876219201 + 245235600 = 29601^2 + 15660^2 .

It is not a de Polignac number, because 1121454801 - 2¹ = 1121454799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121454821) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6922480 + ... + 6922641.

Almost surely, 2^1121454801 is an apocalyptic number.

It is an amenable number.

1121454801 is a deficient number, since it is larger than the sum of its proper divisors (553804961).

1121454801 is an equidigital number, since it uses as much as digits as its factorization.

1121454801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845133 (or 13845124 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1121454801 is about 33488.1292550062. The cubic root of 1121454801 is about 1038.9482713968.

The spelling of 1121454801 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, eight hundred one".