1425242434 has 16 divisors (see below), whose sum is σ = 2665388736. Its totient is φ = 555289200.

The previous prime is 1425242419. The next prime is 1425242501. The reversal of 1425242434 is 4342425241.

It is a junction number, because it is equal to n+sod(n) for n = 1425242396 and 1425242405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627257 + ... + 4627564.

It is an arithmetic number, because the mean of its divisors is an integer number (166586796).

Almost surely, 2^1425242434 is an apocalyptic number.

1425242434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1425242434 is a deficient number, since it is larger than the sum of its proper divisors (1240146302).

1425242434 is a wasteful number, since it uses less digits than its factorization.

1425242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254841.

The product of its digits is 30720, while the sum is 31.

The square root of 1425242434 is about 37752.3831565638. The cubic root of 1425242434 is about 1125.3723696392.

Adding to 1425242434 its reverse (4342425241), we get a palindrome (5767667675).

The spelling of 1425242434 in words is "one billion, four hundred twenty-five million, two hundred forty-two thousand, four hundred thirty-four".