1225425035 has 24 divisors (see below), whose sum is σ = 1513425456. Its totient is φ = 952248960.

The previous prime is 1225425013. The next prime is 1225425041. The reversal of 1225425035 is 5305245221.

It is not a de Polignac number, because 1225425035 - 2¹² = 1225420939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225424989 and 1225425007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7517864 + ... + 7518026.

It is an arithmetic number, because the mean of its divisors is an integer number (63059394).

Almost surely, 2^1225425035 is an apocalyptic number.

1225425035 is a deficient number, since it is larger than the sum of its proper divisors (288000421).

1225425035 is an equidigital number, since it uses as much as digits as its factorization.

1225425035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1225425035 is about 35006.0714019725. The cubic root of 1225425035 is about 1070.1112164945. Note that the first 3 decimals are identical.

The spelling of 1225425035 in words is "one billion, two hundred twenty-five million, four hundred twenty-five thousand, thirty-five".