1154121354 has 24 divisors (see below), whose sum is σ = 2503764900. Its totient is φ = 384219648.

The previous prime is 1154121277. The next prime is 1154121407. The reversal of 1154121354 is 4531214511.

1154121354 is a `hidden beast` number, since 115 + 412 + 135 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1151041329 + 3080025 = 33927^2 + 1755^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25879 + ... + 54570.

Almost surely, 2^1154121354 is an apocalyptic number.

1154121354 is an abundant number, since it is smaller than the sum of its proper divisors (1349643546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154121354 is a wasteful number, since it uses less digits than its factorization.

1154121354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81254 (or 81251 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1154121354 is about 33972.3616194106. The cubic root of 1154121354 is about 1048.9396261088.

Adding to 1154121354 its reverse (4531214511), we get a palindrome (5685335865).

The spelling of 1154121354 in words is "one billion, one hundred fifty-four million, one hundred twenty-one thousand, three hundred fifty-four".