1150422140 has 24 divisors (see below), whose sum is σ = 2761013472. Its totient is φ = 394430400.

The previous prime is 1150422131. The next prime is 1150422173. The reversal of 1150422140 is 412240511.

It is a happy number.

It is a super-2 number, since 2×1150422140² = 2646942200404359200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4108511 + ... + 4108790.

It is an arithmetic number, because the mean of its divisors is an integer number (115042228).

Almost surely, 2^1150422140 is an apocalyptic number.

1150422140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150422140 is an abundant number, since it is smaller than the sum of its proper divisors (1610591332).

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

1150422140 is a wasteful number, since it uses less digits than its factorization.

1150422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217317 (or 8217315 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1150422140 is about 33917.8734592840. The cubic root of 1150422140 is about 1047.8177321754.

Adding to 1150422140 its reverse (412240511), we get a palindrome (1562662651).

The spelling of 1150422140 in words is "one billion, one hundred fifty million, four hundred twenty-two thousand, one hundred forty".