1231154054 has 8 divisors (see below), whose sum is σ = 1988787360. Its totient is φ = 568224936.

The previous prime is 1231154053. The next prime is 1231154069. The reversal of 1231154054 is 4504511321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 47352079 = 1231154054 / (1 + 2 + 3 + 1 + 1 + 5 + 4 + 0 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231154053) 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, 23676014 + ... + 23676065.

It is an arithmetic number, because the mean of its divisors is an integer number (248598420).

Almost surely, 2^1231154054 is an apocalyptic number.

1231154054 is a deficient number, since it is larger than the sum of its proper divisors (757633306).

1231154054 is a wasteful number, since it uses less digits than its factorization.

1231154054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47352094.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1231154054 is about 35087.8049185183. The cubic root of 1231154054 is about 1071.7762600882.

Adding to 1231154054 its reverse (4504511321), we get a palindrome (5735665375).

The spelling of 1231154054 in words is "one billion, two hundred thirty-one million, one hundred fifty-four thousand, fifty-four".