1121452031 has 8 divisors (see below), whose sum is σ = 1282074144. Its totient is φ = 960933600.

The previous prime is 1121452019. The next prime is 1121452043. The reversal of 1121452031 is 1302541211.

It is an interprime number because it is at equal distance from previous prime (1121452019) and next prime (1121452043).

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

It is a cyclic number.

It is not a de Polignac number, because 1121452031 - 2¹⁰ = 1121451007 is a prime.

It is a super-2 number, since 2×1121452031² = 2515309315668049922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121451994 and 1121452012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121452091) 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, 1160 + ... + 47373.

It is an arithmetic number, because the mean of its divisors is an integer number (160259268).

Almost surely, 2^1121452031 is an apocalyptic number.

1121452031 is a deficient number, since it is larger than the sum of its proper divisors (160622113).

1121452031 is an equidigital number, since it uses as much as digits as its factorization.

1121452031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51841.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1121452031 is about 33488.0878970418. The cubic root of 1121452031 is about 1038.9474159933.

Adding to 1121452031 its reverse (1302541211), we get a palindrome (2423993242).

The spelling of 1121452031 in words is "one billion, one hundred twenty-one million, four hundred fifty-two thousand, thirty-one".