1087155948 has 24 divisors (see below), whose sum is σ = 2579693760. Its totient is φ = 356242960.

The previous prime is 1087155917. The next prime is 1087155961. The reversal of 1087155948 is 8495517801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1087155897 and 1087155906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767058 + ... + 768473.

It is an arithmetic number, because the mean of its divisors is an integer number (107487240).

Almost surely, 2^1087155948 is an apocalyptic number.

It is an amenable number.

1087155948 is an abundant number, since it is smaller than the sum of its proper divisors (1492537812).

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

1087155948 is a wasteful number, since it uses less digits than its factorization.

1087155948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535597 (or 1535595 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The square root of 1087155948 is about 32972.0479800694. The cubic root of 1087155948 is about 1028.2465998862.

The spelling of 1087155948 in words is "one billion, eighty-seven million, one hundred fifty-five thousand, nine hundred forty-eight".