1069402425 has 144 divisors (see below), whose sum is σ = 2320030080. Its totient is φ = 424120320.

The previous prime is 1069402417. The next prime is 1069402427. The reversal of 1069402425 is 5242049601.

It is not a de Polignac number, because 1069402425 - 2³ = 1069402417 is a prime.

It is a super-2 number, since 2×1069402425² = 2287243093191761250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1069402427) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1507971 + ... + 1508679.

It is an arithmetic number, because the mean of its divisors is an integer number (16111320).

Almost surely, 2^1069402425 is an apocalyptic number.

1069402425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069402425 is an abundant number, since it is smaller than the sum of its proper divisors (1250627655).

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

1069402425 is a wasteful number, since it uses less digits than its factorization.

1069402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1069402425 is about 32701.7189915148. The cubic root of 1069402425 is about 1022.6186797203.

The spelling of 1069402425 in words is "one billion, sixty-nine million, four hundred two thousand, four hundred twenty-five".