1272132102 has 16 divisors (see below), whose sum is σ = 2576471040. Its totient is φ = 418676232.

The previous prime is 1272132101. The next prime is 1272132107. The reversal of 1272132102 is 2012312721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272132101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341438 + ... + 1342385.

It is an arithmetic number, because the mean of its divisors is an integer number (161029440).

Almost surely, 2^1272132102 is an apocalyptic number.

1272132102 is an abundant number, since it is smaller than the sum of its proper divisors (1304338938).

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

1272132102 is a wasteful number, since it uses less digits than its factorization.

1272132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683907.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1272132102 is about 35666.9609302503. The cubic root of 1272132102 is about 1083.5378102288.

Adding to 1272132102 its reverse (2012312721), we get a palindrome (3284444823).

The spelling of 1272132102 in words is "one billion, two hundred seventy-two million, one hundred thirty-two thousand, one hundred two".