1124889986 has 32 divisors (see below), whose sum is σ = 1864332288. Its totient is φ = 504789840.

The previous prime is 1124889917. The next prime is 1124890007. The reversal of 1124889986 is 6899884211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057691 + ... + 1058753.

It is an arithmetic number, because the mean of its divisors is an integer number (58260384).

Almost surely, 2^1124889986 is an apocalyptic number.

1124889986 is a deficient number, since it is larger than the sum of its proper divisors (739442302).

1124889986 is a wasteful number, since it uses less digits than its factorization.

1124889986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

The product of its digits is 1990656, while the sum is 56.

The square root of 1124889986 is about 33539.3796305179. The cubic root of 1124889986 is about 1040.0080084442.

It can be divided in two parts, 11248 and 89986, that multiplied together give a triangular number (1012162528 = T₄₄₉₉₂).

The spelling of 1124889986 in words is "one billion, one hundred twenty-four million, eight hundred eighty-nine thousand, nine hundred eighty-six".