1012145235 has 64 divisors (see below), whose sum is σ = 1775001600. Its totient is φ = 490493952.

The previous prime is 1012145231. The next prime is 1012145237. The reversal of 1012145235 is 5325412101.

It is a happy number.

It is not a de Polignac number, because 1012145235 - 2² = 1012145231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012145231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 946281 + ... + 947349.

It is an arithmetic number, because the mean of its divisors is an integer number (27734400).

Almost surely, 2^1012145235 is an apocalyptic number.

1012145235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012145235 is a deficient number, since it is larger than the sum of its proper divisors (762856365).

1012145235 is a wasteful number, since it uses less digits than its factorization.

1012145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1012145235 is about 31814.2300708347. The cubic root of 1012145235 is about 1004.0321317288.

Adding to 1012145235 its reverse (5325412101), we get a palindrome (6337557336).

The spelling of 1012145235 in words is "one billion, twelve million, one hundred forty-five thousand, two hundred thirty-five".