1120025155 has 8 divisors (see below), whose sum is σ = 1344371184. Its totient is φ = 895792800.

The previous prime is 1120025149. The next prime is 1120025177. The reversal of 1120025155 is 5515200211.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1120025155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4981 + ... + 47590.

It is an arithmetic number, because the mean of its divisors is an integer number (168046398).

Almost surely, 2^1120025155 is an apocalyptic number.

1120025155 is a deficient number, since it is larger than the sum of its proper divisors (224346029).

1120025155 is an equidigital number, since it uses as much as digits as its factorization.

1120025155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56837.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1120025155 is about 33466.7768839487. The cubic root of 1120025155 is about 1038.5065951447.

Adding to 1120025155 its reverse (5515200211), we get a palindrome (6635225366).

The spelling of 1120025155 in words is "one billion, one hundred twenty million, twenty-five thousand, one hundred fifty-five".