1042266225 has 96 divisors (see below), whose sum is σ = 2313851904. Its totient is φ = 399801600.

The previous prime is 1042266217. The next prime is 1042266241. The reversal of 1042266225 is 5226622401.

It is a happy number.

It is not a de Polignac number, because 1042266225 - 2³ = 1042266217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042266192 and 1042266201.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68134 + ... + 82016.

It is an arithmetic number, because the mean of its divisors is an integer number (24102624).

Almost surely, 2^1042266225 is an apocalyptic number.

1042266225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042266225 is an abundant number, since it is smaller than the sum of its proper divisors (1271585679).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042266225 is a wasteful number, since it uses less digits than its factorization.

1042266225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927 (or 13922 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1042266225 is about 32284.1482000068. The cubic root of 1042266225 is about 1013.8947824877.

Adding to 1042266225 its reverse (5226622401), we get a palindrome (6268888626).

The spelling of 1042266225 in words is "one billion, forty-two million, two hundred sixty-six thousand, two hundred twenty-five".