1102420525 has 12 divisors (see below), whose sum is σ = 1383473952. Its totient is φ = 871309040.

The previous prime is 1102420507. The next prime is 1102420577. The reversal of 1102420525 is 5250242011.

It is not a de Polignac number, because 1102420525 - 2¹⁷ = 1102289453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102420496 and 1102420505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263569 + ... + 267718.

It is an arithmetic number, because the mean of its divisors is an integer number (115289496).

Almost surely, 2^1102420525 is an apocalyptic number.

It is an amenable number.

1102420525 is a deficient number, since it is larger than the sum of its proper divisors (281053427).

1102420525 is an equidigital number, since it uses as much as digits as its factorization.

1102420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531380 (or 531375 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1102420525 is about 33202.7186386898. The cubic root of 1102420525 is about 1033.0367304005.

Adding to 1102420525 its reverse (5250242011), we get a palindrome (6352662536).

The spelling of 1102420525 in words is "one billion, one hundred two million, four hundred twenty thousand, five hundred twenty-five".