1131420115 has 16 divisors (see below), whose sum is σ = 1555669440. Its totient is φ = 773827200.

The previous prime is 1131420041. The next prime is 1131420119. The reversal of 1131420115 is 5110241311.

It is not a de Polignac number, because 1131420115 - 2⁷ = 1131419987 is a prime.

It is a super-2 number, since 2×1131420115² = 2560222953253226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131420092 and 1131420101.

It is not an unprimeable number, because it can be changed into a prime (1131420119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27936 + ... + 55165.

It is an arithmetic number, because the mean of its divisors is an integer number (97229340).

Almost surely, 2^1131420115 is an apocalyptic number.

1131420115 is a deficient number, since it is larger than the sum of its proper divisors (424249325).

1131420115 is an equidigital number, since it uses as much as digits as its factorization.

1131420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83502.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1131420115 is about 33636.5889322922. The cubic root of 1131420115 is about 1042.0165862133.

Adding to 1131420115 its reverse (5110241311), we get a palindrome (6241661426).

The spelling of 1131420115 in words is "one billion, one hundred thirty-one million, four hundred twenty thousand, one hundred fifteen".