1420776125 has 32 divisors (see below), whose sum is σ = 1857053952. Its totient is φ = 1083192000.

The previous prime is 1420776121. The next prime is 1420776131. The reversal of 1420776125 is 5216770241.

It is not a de Polignac number, because 1420776125 - 2² = 1420776121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420776121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950879 + ... + 952371.

It is an arithmetic number, because the mean of its divisors is an integer number (58032936).

Almost surely, 2^1420776125 is an apocalyptic number.

It is an amenable number.

1420776125 is a deficient number, since it is larger than the sum of its proper divisors (436277827).

1420776125 is a wasteful number, since it uses less digits than its factorization.

1420776125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 1420776125 is about 37693.1840655575. The cubic root of 1420776125 is about 1124.1956060518.

The spelling of 1420776125 in words is "one billion, four hundred twenty million, seven hundred seventy-six thousand, one hundred twenty-five".