1187945414 has 16 divisors (see below), whose sum is σ = 1891058400. Its totient is φ = 557752704.

The previous prime is 1187945413. The next prime is 1187945441. The reversal of 1187945414 is 4145497811.

It is a super-2 number, since 2×1187945414² = 2822428613287262792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187945413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24869 + ... + 54720.

It is an arithmetic number, because the mean of its divisors is an integer number (118191150).

Almost surely, 2^1187945414 is an apocalyptic number.

1187945414 is a deficient number, since it is larger than the sum of its proper divisors (703112986).

1187945414 is a wasteful number, since it uses less digits than its factorization.

1187945414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80047.

The product of its digits is 161280, while the sum is 44.

The square root of 1187945414 is about 34466.5840198880. The cubic root of 1187945414 is about 1059.0882791714.

The spelling of 1187945414 in words is "one billion, one hundred eighty-seven million, nine hundred forty-five thousand, four hundred fourteen".