1154254099 has 8 divisors (see below), whose sum is σ = 1182889008. Its totient is φ = 1125642240.

The previous prime is 1154254081. The next prime is 1154254147. The reversal of 1154254099 is 9904524511.

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 1154254099 - 2¹¹ = 1154252051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154254399) 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, 141459 + ... + 149395.

It is an arithmetic number, because the mean of its divisors is an integer number (147861126).

Almost surely, 2^1154254099 is an apocalyptic number.

1154254099 is a deficient number, since it is larger than the sum of its proper divisors (28634909).

1154254099 is an equidigital number, since it uses as much as digits as its factorization.

1154254099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1154254099 is about 33974.3152837552. The cubic root of 1154254099 is about 1048.9798402949.

The spelling of 1154254099 in words is "one billion, one hundred fifty-four million, two hundred fifty-four thousand, ninety-nine".