1151227429 has 4 divisors (see below), whose sum is σ = 1255884480. Its totient is φ = 1046570380.

The previous prime is 1151227417. The next prime is 1151227453. The reversal of 1151227429 is 9247221511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151227429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1151227394 and 1151227403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151227409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52328509 + ... + 52328530.

It is an arithmetic number, because the mean of its divisors is an integer number (313971120).

Almost surely, 2^1151227429 is an apocalyptic number.

It is an amenable number.

1151227429 is a deficient number, since it is larger than the sum of its proper divisors (104657051).

1151227429 is a wasteful number, since it uses less digits than its factorization.

1151227429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104657050.

The product of its digits is 10080, while the sum is 34.

The square root of 1151227429 is about 33929.7425424951. The cubic root of 1151227429 is about 1048.0621639820.

The spelling of 1151227429 in words is "one billion, one hundred fifty-one million, two hundred twenty-seven thousand, four hundred twenty-nine".