1012400141 has 2 divisors, whose sum is σ = 1012400142. Its totient is φ = 1012400140.

The previous prime is 1012400113. The next prime is 1012400143. The reversal of 1012400141 is 1410042101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547092100 + 465308041 = 23390^2 + 21571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012400141 - 2²² = 1008205837 is a prime.

Together with 1012400143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012400143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506200070 + 506200071.

It is an arithmetic number, because the mean of its divisors is an integer number (506200071).

Almost surely, 2^1012400141 is an apocalyptic number.

It is an amenable number.

1012400141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012400141 is an equidigital number, since it uses as much as digits as its factorization.

1012400141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1012400141 is about 31818.2359819020. The cubic root of 1012400141 is about 1004.1164122330.

Adding to 1012400141 its reverse (1410042101), we get a palindrome (2422442242).

The spelling of 1012400141 in words is "one billion, twelve million, four hundred thousand, one hundred forty-one".