1231000054 has 4 divisors (see below), whose sum is σ = 1846500084. Its totient is φ = 615500026.

The previous prime is 1231000051. The next prime is 1231000061. The reversal of 1231000054 is 4500001321.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1231000054² = 3030722265896005832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307750012 + ... + 307750015.

It is an arithmetic number, because the mean of its divisors is an integer number (461625021).

Almost surely, 2^1231000054 is an apocalyptic number.

1231000054 is a deficient number, since it is larger than the sum of its proper divisors (615500030).

1231000054 is an equidigital number, since it uses as much as digits as its factorization.

1231000054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615500029.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1231000054 is about 35085.6103552439. The cubic root of 1231000054 is about 1071.7315701959.

Adding to 1231000054 its reverse (4500001321), we get a palindrome (5731001375).

The spelling of 1231000054 in words is "one billion, two hundred thirty-one million, fifty-four", and thus it is an aban number.