1012155235 has 16 divisors (see below), whose sum is σ = 1494876096. Its totient is φ = 640660608.

The previous prime is 1012155217. The next prime is 1012155247. The reversal of 1012155235 is 5325512101.

It is not a de Polignac number, because 1012155235 - 2¹⁵ = 1012122467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111804 + ... + 1112713.

It is an arithmetic number, because the mean of its divisors is an integer number (93429756).

Almost surely, 2^1012155235 is an apocalyptic number.

1012155235 is a deficient number, since it is larger than the sum of its proper divisors (482720861).

1012155235 is a wasteful number, since it uses less digits than its factorization.

1012155235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224542.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1012155235 is about 31814.3872328228. The cubic root of 1012155235 is about 1004.0354383321.

Adding to 1012155235 its reverse (5325512101), we get a palindrome (6337667336).

It can be divided in two parts, 10121 and 55235, that added together give a palindrome (65356).

The spelling of 1012155235 in words is "one billion, twelve million, one hundred fifty-five thousand, two hundred thirty-five".