1012143025 has 36 divisors (see below), whose sum is σ = 1376538880. Its totient is φ = 737337600.

The previous prime is 1012143019. The next prime is 1012143043. The reversal of 1012143025 is 5203412101.

It is not a de Polignac number, because 1012143025 - 2¹³ = 1012134833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012142993 and 1012143011.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 221716 + ... + 226234.

Almost surely, 2^1012143025 is an apocalyptic number.

It is an amenable number.

1012143025 is a deficient number, since it is larger than the sum of its proper divisors (364395855).

1012143025 is a wasteful number, since it uses less digits than its factorization.

1012143025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594 (or 4572 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1012143025 is about 31814.1953379305. The cubic root of 1012143025 is about 1004.0314009665.

Adding to 1012143025 its reverse (5203412101), we get a palindrome (6215555126).

The spelling of 1012143025 in words is "one billion, twelve million, one hundred forty-three thousand, twenty-five".