1012253061 has 4 divisors (see below), whose sum is σ = 1349670752. Its totient is φ = 674835372.

The previous prime is 1012253057. The next prime is 1012253071. The reversal of 1012253061 is 1603522101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1603522101 = 3 ⋅534507367.

It is not a de Polignac number, because 1012253061 - 2² = 1012253057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012253041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168708841 + ... + 168708846.

It is an arithmetic number, because the mean of its divisors is an integer number (337417688).

Almost surely, 2^1012253061 is an apocalyptic number.

It is an amenable number.

1012253061 is a deficient number, since it is larger than the sum of its proper divisors (337417691).

1012253061 is an equidigital number, since it uses as much as digits as its factorization.

1012253061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337417690.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1012253061 is about 31815.9246447436. The cubic root of 1012253061 is about 1004.0677843607.

Adding to 1012253061 its reverse (1603522101), we get a palindrome (2615775162).

The spelling of 1012253061 in words is "one billion, twelve million, two hundred fifty-three thousand, sixty-one".