1012431545 has 8 divisors (see below), whose sum is σ = 1215171720. Its totient is φ = 809776000.

The previous prime is 1012431533. The next prime is 1012431551. The reversal of 1012431545 is 5451342101.

It can be written as a sum of positive squares in 4 ways, for example, as 304711936 + 707719609 = 17456^2 + 26603^2 .

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

It is not a de Polignac number, because 1012431545 - 2¹⁰ = 1012430521 is a prime.

It is a super-2 number, since 2×1012431545² = 2050035266622174050, which contains 22 as substring.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 9101 + ... + 45909.

It is an arithmetic number, because the mean of its divisors is an integer number (151896465).

Almost surely, 2^1012431545 is an apocalyptic number.

It is an amenable number.

1012431545 is a deficient number, since it is larger than the sum of its proper divisors (202740175).

1012431545 is an equidigital number, since it uses as much as digits as its factorization.

1012431545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42315.

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

The square root of 1012431545 is about 31818.7294686636. The cubic root of 1012431545 is about 1004.1267944737.

Adding to 1012431545 its reverse (5451342101), we get a palindrome (6463773646).

The spelling of 1012431545 in words is "one billion, twelve million, four hundred thirty-one thousand, five hundred forty-five".