1012430819 has 8 divisors (see below), whose sum is σ = 1027621728. Its totient is φ = 997265920.

The previous prime is 1012430761. The next prime is 1012430821. The reversal of 1012430819 is 9180342101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012430819 - 2²⁸ = 743995363 is a prime.

It is a super-2 number, since 2×1012430819² = 2050032326522021522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012430791 and 1012430800.

It is not an unprimeable number, because it can be changed into a prime (1012430719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80549 + ... + 92265.

It is an arithmetic number, because the mean of its divisors is an integer number (128452716).

Almost surely, 2^1012430819 is an apocalyptic number.

1012430819 is a deficient number, since it is larger than the sum of its proper divisors (15190909).

1012430819 is a wasteful number, since it uses less digits than its factorization.

1012430819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1012430819 is about 31818.7180602865. The cubic root of 1012430819 is about 1004.1265544587.

The spelling of 1012430819 in words is "one billion, twelve million, four hundred thirty thousand, eight hundred nineteen".