1154109229 has 16 divisors (see below), whose sum is σ = 1495204480. Its totient is φ = 865080000.

The previous prime is 1154109227. The next prime is 1154109239. The reversal of 1154109229 is 9229014511.

It is a cyclic number.

It is not a de Polignac number, because 1154109229 - 2¹ = 1154109227 is a prime.

It is a super-2 number, since 2×1154109229² = 2663936224925948882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1154109194 and 1154109203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154109221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332022 + ... + 335479.

It is an arithmetic number, because the mean of its divisors is an integer number (93450280).

Almost surely, 2^1154109229 is an apocalyptic number.

1154109229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1154109229 is a deficient number, since it is larger than the sum of its proper divisors (341095251).

1154109229 is a wasteful number, since it uses less digits than its factorization.

1154109229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667540.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1154109229 is about 33972.1831650543. The cubic root of 1154109229 is about 1048.9359527697.

The spelling of 1154109229 in words is "one billion, one hundred fifty-four million, one hundred nine thousand, two hundred twenty-nine".