1425117806 has 32 divisors (see below), whose sum is σ = 2488008960. Its totient is φ = 599630976.

The previous prime is 1425117791. The next prime is 1425117809. The reversal of 1425117806 is 6087115241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425117809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165065 + ... + 173483.

It is an arithmetic number, because the mean of its divisors is an integer number (77750280).

Almost surely, 2^1425117806 is an apocalyptic number.

1425117806 is a deficient number, since it is larger than the sum of its proper divisors (1062891154).

1425117806 is a wasteful number, since it uses less digits than its factorization.

1425117806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1425117806 is about 37750.7325226942. The cubic root of 1425117806 is about 1125.3395665659.

The spelling of 1425117806 in words is "one billion, four hundred twenty-five million, one hundred seventeen thousand, eight hundred six".