1201432122 has 32 divisors (see below), whose sum is σ = 2912564160. Its totient is φ = 364070160.

The previous prime is 1201432121. The next prime is 1201432123. The reversal of 1201432122 is 2212341021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201432121) and next prime (1201432123).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201432095 and 1201432104.

It is not an unprimeable number, because it can be changed into a prime (1201432121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010713 + ... + 1011900.

It is an arithmetic number, because the mean of its divisors is an integer number (91017630).

Almost surely, 2^1201432122 is an apocalyptic number.

1201432122 is an abundant number, since it is smaller than the sum of its proper divisors (1711132038).

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

1201432122 is a wasteful number, since it uses less digits than its factorization.

1201432122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022635 (or 2022629 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1201432122 is about 34661.6808882662. The cubic root of 1201432122 is about 1063.0811391004.

Adding to 1201432122 its reverse (2212341021), we get a palindrome (3413773143).

It can be divided in two parts, 120143 and 2122, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 1201432122 in words is "one billion, two hundred one million, four hundred thirty-two thousand, one hundred twenty-two".