1026215047 has 16 divisors (see below), whose sum is σ = 1276545312. Its totient is φ = 810501120.

The previous prime is 1026215027. The next prime is 1026215051. The reversal of 1026215047 is 7405126201.

It is not a de Polignac number, because 1026215047 - 2¹⁹ = 1025690759 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 (1026215027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208638 + ... + 213499.

It is an arithmetic number, because the mean of its divisors is an integer number (79784082).

Almost surely, 2^1026215047 is an apocalyptic number.

1026215047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1026215047 is a deficient number, since it is larger than the sum of its proper divisors (250330265).

1026215047 is a wasteful number, since it uses less digits than its factorization.

1026215047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422178.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1026215047 is about 32034.5914130335. The cubic root of 1026215047 is about 1008.6630832697.

The spelling of 1026215047 in words is "one billion, twenty-six million, two hundred fifteen thousand, forty-seven".