1425712877 has 4 divisors (see below), whose sum is σ = 1474875420. Its totient is φ = 1376550336.

The previous prime is 1425712807. The next prime is 1425712903. The reversal of 1425712877 is 7782175241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 585930436 + 839782441 = 24206^2 + 28979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425712877 - 2⁸ = 1425712621 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 (1425712807) 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 in 3 ways as a sum of consecutive naturals, for example, 24581228 + ... + 24581285.

It is an arithmetic number, because the mean of its divisors is an integer number (368718855).

Almost surely, 2^1425712877 is an apocalyptic number.

It is an amenable number.

1425712877 is a deficient number, since it is larger than the sum of its proper divisors (49162543).

1425712877 is an equidigital number, since it uses as much as digits as its factorization.

1425712877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49162542.

The product of its digits is 219520, while the sum is 44.

The square root of 1425712877 is about 37758.6132822698. The cubic root of 1425712877 is about 1125.4961767196.

The spelling of 1425712877 in words is "one billion, four hundred twenty-five million, seven hundred twelve thousand, eight hundred seventy-seven".