1152150640 has 20 divisors (see below), whose sum is σ = 2678750424. Its totient is φ = 460860224.

The previous prime is 1152150617. The next prime is 1152150653. The reversal of 1152150640 is 460512511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7200862 + ... + 7201021.

Almost surely, 2^1152150640 is an apocalyptic number.

1152150640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152150640 is an abundant number, since it is smaller than the sum of its proper divisors (1526599784).

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

1152150640 is a wasteful number, since it uses less digits than its factorization.

1152150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401896 (or 14401890 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1152150640 is about 33943.3445611949. The cubic root of 1152150640 is about 1048.3422488036.

The spelling of 1152150640 in words is "one billion, one hundred fifty-two million, one hundred fifty thousand, six hundred forty".