1425023215 has 32 divisors (see below), whose sum is σ = 2257403904. Its totient is φ = 836067840.

The previous prime is 1425023209. The next prime is 1425023219. The reversal of 1425023215 is 5123205241.

It is not a de Polignac number, because 1425023215 - 2³ = 1425023207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425023215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425023219) 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, 102319 + ... + 115408.

It is an arithmetic number, because the mean of its divisors is an integer number (70543872).

Almost surely, 2^1425023215 is an apocalyptic number.

1425023215 is a deficient number, since it is larger than the sum of its proper divisors (832380689).

1425023215 is a wasteful number, since it uses less digits than its factorization.

1425023215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217767.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1425023215 is about 37749.4796652881. The cubic root of 1425023215 is about 1125.3146681915.

Adding to 1425023215 its reverse (5123205241), we get a palindrome (6548228456).

The spelling of 1425023215 in words is "one billion, four hundred twenty-five million, twenty-three thousand, two hundred fifteen".