5632142121 has 6 divisors (see below), whose sum is σ = 8135316410. Its totient is φ = 3754761408.

The previous prime is 5632142119. The next prime is 5632142123. The reversal of 5632142121 is 1212412365.

5632142121 is a `hidden beast` number, since 5 + 632 + 1 + 4 + 2 + 1 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (5632142119) and next prime (5632142123).

It can be written as a sum of positive squares in only one way, i.e., 4183502400 + 1448639721 = 64680^2 + 38061^2 .

It is not a de Polignac number, because 5632142121 - 2¹ = 5632142119 is a prime.

It is a super-2 number, since 2×5632142121² = 63442049742284757282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5632142123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312896776 + ... + 312896793.

Almost surely, 2^5632142121 is an apocalyptic number.

It is an amenable number.

5632142121 is a deficient number, since it is larger than the sum of its proper divisors (2503174289).

5632142121 is a wasteful number, since it uses less digits than its factorization.

5632142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625793575 (or 625793572 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 5632142121 is about 75047.5990355454. The cubic root of 5632142121 is about 1779.1990379676.

Adding to 5632142121 its reverse (1212412365), we get a palindrome (6844554486).

The spelling of 5632142121 in words is "five billion, six hundred thirty-two million, one hundred forty-two thousand, one hundred twenty-one".