1201342141 has 4 divisors (see below), whose sum is σ = 1253574432. Its totient is φ = 1149109852.

The previous prime is 1201342097. The next prime is 1201342147. The reversal of 1201342141 is 1412431021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201342141 - 2¹⁷ = 1201211069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201342147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26116111 + ... + 26116156.

It is an arithmetic number, because the mean of its divisors is an integer number (313393608).

Almost surely, 2^1201342141 is an apocalyptic number.

It is an amenable number.

1201342141 is a deficient number, since it is larger than the sum of its proper divisors (52232291).

1201342141 is an equidigital number, since it uses as much as digits as its factorization.

1201342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52232290.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201342141 is about 34660.3828744000. The cubic root of 1201342141 is about 1063.0545986935.

Adding to 1201342141 its reverse (1412431021), we get a palindrome (2613773162).

The spelling of 1201342141 in words is "one billion, two hundred one million, three hundred forty-two thousand, one hundred forty-one".