1155120034 has 16 divisors (see below), whose sum is σ = 1798563456. Its totient is φ = 556002000.

The previous prime is 1155120023. The next prime is 1155120077. The reversal of 1155120034 is 4300215511.

It is a happy number.

It is a super-2 number, since 2×1155120034² = 2668604585896322312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155119987 and 1155120014.

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, 94992 + ... + 106459.

It is an arithmetic number, because the mean of its divisors is an integer number (112410216).

Almost surely, 2^1155120034 is an apocalyptic number.

1155120034 is a deficient number, since it is larger than the sum of its proper divisors (643443422).

1155120034 is a wasteful number, since it uses less digits than its factorization.

1155120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201561.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1155120034 is about 33987.0568599283. The cubic root of 1155120034 is about 1049.2420937283.

Adding to 1155120034 its reverse (4300215511), we get a palindrome (5455335545).

The spelling of 1155120034 in words is "one billion, one hundred fifty-five million, one hundred twenty thousand, thirty-four".