1129752101 has 8 divisors (see below), whose sum is σ = 1180058880. Its totient is φ = 1080202032.

The previous prime is 1129752097. The next prime is 1129752133. The reversal of 1129752101 is 1012579211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1129752101 - 2² = 1129752097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129752181) 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, 186125 + ... + 192098.

It is an arithmetic number, because the mean of its divisors is an integer number (147507360).

Almost surely, 2^1129752101 is an apocalyptic number.

It is an amenable number.

1129752101 is a deficient number, since it is larger than the sum of its proper divisors (50306779).

1129752101 is a wasteful number, since it uses less digits than its factorization.

1129752101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378355.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 1129752101 is about 33611.7851504498. The cubic root of 1129752101 is about 1041.5042645535.

The spelling of 1129752101 in words is "one billion, one hundred twenty-nine million, seven hundred fifty-two thousand, one hundred one".