1087402225 has 48 divisors (see below), whose sum is σ = 1664893440. Its totient is φ = 686073600.

The previous prime is 1087402223. The next prime is 1087402231. The reversal of 1087402225 is 5222047801.

It is a happy number.

It is not a de Polignac number, because 1087402225 - 2¹ = 1087402223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087402223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979971 + ... + 981079.

It is an arithmetic number, because the mean of its divisors is an integer number (34685280).

Almost surely, 2^1087402225 is an apocalyptic number.

It is an amenable number.

1087402225 is a deficient number, since it is larger than the sum of its proper divisors (577491215).

1087402225 is a wasteful number, since it uses less digits than its factorization.

1087402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1087402225 is about 32975.7824016353. The cubic root of 1087402225 is about 1028.3242380480.

The spelling of 1087402225 in words is "one billion, eighty-seven million, four hundred two thousand, two hundred twenty-five".