1012125455287 has 2 divisors, whose sum is σ = 1012125455288. Its totient is φ = 1012125455286.

The previous prime is 1012125455281. The next prime is 1012125455321. The reversal of 1012125455287 is 7825545212101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012125455287 - 2²³ = 1012117066679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012125455281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506062727643 + 506062727644.

It is an arithmetic number, because the mean of its divisors is an integer number (506062727644).

Almost surely, 2^{1012125455287} is an apocalyptic number.

1012125455287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012125455287 is an equidigital number, since it uses as much as digits as its factorization.

1012125455287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224000, while the sum is 43.

The spelling of 1012125455287 in words is "one trillion, twelve billion, one hundred twenty-five million, four hundred fifty-five thousand, two hundred eighty-seven".