127121052 has 12 divisors (see below), whose sum is σ = 296615816. Its totient is φ = 42373680.

The previous prime is 127121047. The next prime is 127121063. The reversal of 127121052 is 250121721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296699 + ... + 5296722.

Almost surely, 2^127121052 is an apocalyptic number.

127121052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127121052 is an abundant number, since it is smaller than the sum of its proper divisors (169494764).

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

127121052 is a wasteful number, since it uses less digits than its factorization.

127121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593428 (or 10593426 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 127121052 is about 11274.7972043847. The cubic root of 127121052 is about 502.8122224884.

Adding to 127121052 its reverse (250121721), we get a palindrome (377242773).

The spelling of 127121052 in words is "one hundred twenty-seven million, one hundred twenty-one thousand, fifty-two".