1327187142 has 24 divisors (see below), whose sum is σ = 2877123600. Its totient is φ = 442157040.

The previous prime is 1327187137. The next prime is 1327187143. The reversal of 1327187142 is 2417817231.

It is a super-2 number, since 2×1327187142² = 3522851419780256328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1327187097 and 1327187106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327187143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16167 + ... + 53997.

It is an arithmetic number, because the mean of its divisors is an integer number (119880150).

Almost surely, 2^1327187142 is an apocalyptic number.

1327187142 is an abundant number, since it is smaller than the sum of its proper divisors (1549936458).

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

1327187142 is a wasteful number, since it uses less digits than its factorization.

1327187142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39788 (or 39785 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 1327187142 is about 36430.5797648075. The cubic root of 1327187142 is about 1098.9486213090.

The spelling of 1327187142 in words is "one billion, three hundred twenty-seven million, one hundred eighty-seven thousand, one hundred forty-two".