1187325040 has 40 divisors (see below), whose sum is σ = 3011490288. Its totient is φ = 431754240.

The previous prime is 1187325019. The next prime is 1187325053. The reversal of 1187325040 is 405237811.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1187325040² = 2819481501222003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1187324993 and 1187325011.

It is a congruent number.

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, 673737 + ... + 675496.

Almost surely, 2^1187325040 is an apocalyptic number.

1187325040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1187325040 is an abundant number, since it is smaller than the sum of its proper divisors (1824165248).

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

1187325040 is a wasteful number, since it uses less digits than its factorization.

1187325040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349257 (or 1349251 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1187325040 is about 34457.5832002188. The cubic root of 1187325040 is about 1058.9038865133.

The spelling of 1187325040 in words is "one billion, one hundred eighty-seven million, three hundred twenty-five thousand, forty".