1356012487 has 2 divisors, whose sum is σ = 1356012488. Its totient is φ = 1356012486.

The previous prime is 1356012481. The next prime is 1356012521. The reversal of 1356012487 is 7842106531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356012487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356012481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678006243 + 678006244.

It is an arithmetic number, because the mean of its divisors is an integer number (678006244).

Almost surely, 2^1356012487 is an apocalyptic number.

1356012487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356012487 is an equidigital number, since it uses as much as digits as its factorization.

1356012487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1356012487 is about 36824.0748288399. The cubic root of 1356012487 is about 1106.8477747197.

The spelling of 1356012487 in words is "one billion, three hundred fifty-six million, twelve thousand, four hundred eighty-seven".