1128950634 has 16 divisors (see below), whose sum is σ = 2580458688. Its totient is φ = 322557312.

The previous prime is 1128950611. The next prime is 1128950651. The reversal of 1128950634 is 4360598211.

It is a junction number, because it is equal to n+sod(n) for n = 1128950592 and 1128950601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13439847 + ... + 13439930.

It is an arithmetic number, because the mean of its divisors is an integer number (161278668).

Almost surely, 2^1128950634 is an apocalyptic number.

1128950634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1128950634 is an abundant number, since it is smaller than the sum of its proper divisors (1451508054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128950634 is a wasteful number, since it uses less digits than its factorization.

1128950634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879789.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1128950634 is about 33599.8606247109. The cubic root of 1128950634 is about 1041.2579188384.

The spelling of 1128950634 in words is "one billion, one hundred twenty-eight million, nine hundred fifty thousand, six hundred thirty-four".