1015401047 has 2 divisors, whose sum is σ = 1015401048. Its totient is φ = 1015401046.

The previous prime is 1015400999. The next prime is 1015401053. The reversal of 1015401047 is 7401045101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7401045101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015401047 - 2¹⁸ = 1015138903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015401067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507700523 + 507700524.

It is an arithmetic number, because the mean of its divisors is an integer number (507700524).

Almost surely, 2^1015401047 is an apocalyptic number.

1015401047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015401047 is an equidigital number, since it uses as much as digits as its factorization.

1015401047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1015401047 is about 31865.3581024912. The cubic root of 1015401047 is about 1005.1075508440.

Adding to 1015401047 its reverse (7401045101), we get a palindrome (8416446148).

The spelling of 1015401047 in words is "one billion, fifteen million, four hundred one thousand, forty-seven".