1121129746 has 16 divisors (see below), whose sum is σ = 1851410880. Its totient is φ = 504928080.

The previous prime is 1121129729. The next prime is 1121129749. The reversal of 1121129746 is 6479211211.

It is not an unprimeable number, because it can be changed into a prime (1121129749) 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, 231366 + ... + 236161.

It is an arithmetic number, because the mean of its divisors is an integer number (115713180).

Almost surely, 2^1121129746 is an apocalyptic number.

1121129746 is a deficient number, since it is larger than the sum of its proper divisors (730281134).

1121129746 is a wasteful number, since it uses less digits than its factorization.

1121129746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467649.

The product of its digits is 6048, while the sum is 34.

The square root of 1121129746 is about 33483.2756163432. The cubic root of 1121129746 is about 1038.8478815685.

The spelling of 1121129746 in words is "one billion, one hundred twenty-one million, one hundred twenty-nine thousand, seven hundred forty-six".