142101201 has 16 divisors (see below), whose sum is σ = 212280768. Its totient is φ = 83793600.

The previous prime is 142101137. The next prime is 142101221. The reversal of 142101201 is 102101241.

It is a happy number.

It is not a de Polignac number, because 142101201 - 2⁶ = 142101137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142101221) 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, 56970 + ... + 59411.

It is an arithmetic number, because the mean of its divisors is an integer number (13267548).

Almost surely, 2^142101201 is an apocalyptic number.

142101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142101201 is a deficient number, since it is larger than the sum of its proper divisors (70179567).

142101201 is a wasteful number, since it uses less digits than its factorization.

142101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116432.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 142101201 is about 11920.6208311480. The cubic root of 142101201 is about 521.8342532447.

Adding to 142101201 its reverse (102101241), we get a palindrome (244202442).

The spelling of 142101201 in words is "one hundred forty-two million, one hundred one thousand, two hundred one".