1012043254 has 4 divisors (see below), whose sum is σ = 1518064884. Its totient is φ = 506021626.

The previous prime is 1012043243. The next prime is 1012043299. The reversal of 1012043254 is 4523402101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253010812 + ... + 253010815.

It is an arithmetic number, because the mean of its divisors is an integer number (379516221).

Almost surely, 2^1012043254 is an apocalyptic number.

1012043254 is a deficient number, since it is larger than the sum of its proper divisors (506021630).

1012043254 is an equidigital number, since it uses as much as digits as its factorization.

1012043254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506021629.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1012043254 is about 31812.6272728299. The cubic root of 1012043254 is about 1003.9984094143.

Adding to 1012043254 its reverse (4523402101), we get a palindrome (5535445355).

The spelling of 1012043254 in words is "one billion, twelve million, forty-three thousand, two hundred fifty-four".