1012469387 has 4 divisors (see below), whose sum is σ = 1013110560. Its totient is φ = 1011828216.

The previous prime is 1012469383. The next prime is 1012469389. The reversal of 1012469387 is 7839642101.

1012469387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7839642101 = 4591 ⋅1707611.

It is a cyclic number.

It is not a de Polignac number, because 1012469387 - 2² = 1012469383 is a prime.

It is a super-2 number, since 2×1012469387² = 2050188519224311538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012469383) 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, 318212 + ... + 321377.

It is an arithmetic number, because the mean of its divisors is an integer number (253277640).

Almost surely, 2^1012469387 is an apocalyptic number.

1012469387 is a deficient number, since it is larger than the sum of its proper divisors (641173).

1012469387 is an equidigital number, since it uses as much as digits as its factorization.

1012469387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641172.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1012469387 is about 31819.3241128720. The cubic root of 1012469387 is about 1004.1393048480.

The spelling of 1012469387 in words is "one billion, twelve million, four hundred sixty-nine thousand, three hundred eighty-seven".