1294425838 has 4 divisors (see below), whose sum is σ = 1941638760. Its totient is φ = 647212918.

The previous prime is 1294425833. The next prime is 1294425841. The reversal of 1294425838 is 8385244921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8385244921 = 38053 ⋅220357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294425833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323606458 + ... + 323606461.

It is an arithmetic number, because the mean of its divisors is an integer number (485409690).

Almost surely, 2^1294425838 is an apocalyptic number.

1294425838 is a deficient number, since it is larger than the sum of its proper divisors (647212922).

1294425838 is an equidigital number, since it uses as much as digits as its factorization.

1294425838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647212921.

The product of its digits is 552960, while the sum is 46.

The square root of 1294425838 is about 35978.1299958739. The cubic root of 1294425838 is about 1089.8307505918.

The spelling of 1294425838 in words is "one billion, two hundred ninety-four million, four hundred twenty-five thousand, eight hundred thirty-eight".