1246134838 has 16 divisors (see below), whose sum is σ = 2077923456. Its totient is φ = 556585920.

The previous prime is 1246134823. The next prime is 1246134839. The reversal of 1246134838 is 8384316421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246134838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246134839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772231 + ... + 773842.

It is an arithmetic number, because the mean of its divisors is an integer number (129870216).

Almost surely, 2^1246134838 is an apocalyptic number.

1246134838 is a deficient number, since it is larger than the sum of its proper divisors (831788618).

1246134838 is a wasteful number, since it uses less digits than its factorization.

1246134838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546119.

The product of its digits is 110592, while the sum is 40.

The square root of 1246134838 is about 35300.6350934371. The cubic root of 1246134838 is about 1076.1059001043.

The spelling of 1246134838 in words is "one billion, two hundred forty-six million, one hundred thirty-four thousand, eight hundred thirty-eight".