1121140401 has 8 divisors (see below), whose sum is σ = 1498698240. Its totient is φ = 745504752.

The previous prime is 1121140399. The next prime is 1121140403. The reversal of 1121140401 is 1040411211.

It is an interprime number because it is at equal distance from previous prime (1121140399) and next prime (1121140403).

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

It is not a de Polignac number, because 1121140401 - 2¹ = 1121140399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121140403) 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, 479185 + ... + 481518.

It is an arithmetic number, because the mean of its divisors is an integer number (187337280).

Almost surely, 2^1121140401 is an apocalyptic number.

It is an amenable number.

1121140401 is a deficient number, since it is larger than the sum of its proper divisors (377557839).

1121140401 is an equidigital number, since it uses as much as digits as its factorization.

1121140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961095.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1121140401 is about 33483.4347252488. The cubic root of 1121140401 is about 1038.8511725611.

Adding to 1121140401 its reverse (1040411211), we get a palindrome (2161551612).

The spelling of 1121140401 in words is "one billion, one hundred twenty-one million, one hundred forty thousand, four hundred one".