1425722051 has 8 divisors (see below), whose sum is σ = 1625710464. Its totient is φ = 1238636160.

The previous prime is 1425721993. The next prime is 1425722059. The reversal of 1425722051 is 1502275241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425722051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425722059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225395 + ... + 3225836.

It is an arithmetic number, because the mean of its divisors is an integer number (203213808).

Almost surely, 2^1425722051 is an apocalyptic number.

1425722051 is a deficient number, since it is larger than the sum of its proper divisors (199988413).

1425722051 is a wasteful number, since it uses less digits than its factorization.

1425722051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451261.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1425722051 is about 37758.7347642900. The cubic root of 1425722051 is about 1125.4985907820.

Adding to 1425722051 its reverse (1502275241), we get a palindrome (2927997292).

The spelling of 1425722051 in words is "one billion, four hundred twenty-five million, seven hundred twenty-two thousand, fifty-one".