1012123141 has 4 divisors (see below), whose sum is σ = 1065392800. Its totient is φ = 958853484.

The previous prime is 1012123129. The next prime is 1012123159. The reversal of 1012123141 is 1413212101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1012123141 - 2⁵ = 1012123109 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 (1012123741) 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, 26634801 + ... + 26634838.

It is an arithmetic number, because the mean of its divisors is an integer number (266348200).

Almost surely, 2^1012123141 is an apocalyptic number.

It is an amenable number.

1012123141 is a deficient number, since it is larger than the sum of its proper divisors (53269659).

1012123141 is an equidigital number, since it uses as much as digits as its factorization.

1012123141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53269658.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1012123141 is about 31813.8828343854. The cubic root of 1012123141 is about 1004.0248260423.

Adding to 1012123141 its reverse (1413212101), we get a palindrome (2425335242).

The spelling of 1012123141 in words is "one billion, twelve million, one hundred twenty-three thousand, one hundred forty-one".