1129724413 has 8 divisors (see below), whose sum is σ = 1166570496. Its totient is φ = 1092903600.

The previous prime is 1129724369. The next prime is 1129724459. The reversal of 1129724413 is 3144279211.

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 1129724413 - 2²¹ = 1127627261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129724483) 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, 135228 + ... + 143338.

It is an arithmetic number, because the mean of its divisors is an integer number (145821312).

Almost surely, 2^1129724413 is an apocalyptic number.

It is an amenable number.

1129724413 is a deficient number, since it is larger than the sum of its proper divisors (36846083).

1129724413 is an equidigital number, since it uses as much as digits as its factorization.

1129724413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635.

The product of its digits is 12096, while the sum is 34.

The square root of 1129724413 is about 33611.3732685828. The cubic root of 1129724413 is about 1041.4957560776.

The spelling of 1129724413 in words is "one billion, one hundred twenty-nine million, seven hundred twenty-four thousand, four hundred thirteen".