1254132201 has 32 divisors (see below), whose sum is σ = 2000683008. Its totient is φ = 683242560.

The previous prime is 1254132199. The next prime is 1254132203. The reversal of 1254132201 is 1022314521.

It is an interprime number because it is at equal distance from previous prime (1254132199) and next prime (1254132203).

It is not a de Polignac number, because 1254132201 - 2¹ = 1254132199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254132203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149016 + ... + 157206.

It is an arithmetic number, because the mean of its divisors is an integer number (62521344).

Almost surely, 2^1254132201 is an apocalyptic number.

It is an amenable number.

1254132201 is a deficient number, since it is larger than the sum of its proper divisors (746550807).

1254132201 is a wasteful number, since it uses less digits than its factorization.

1254132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1254132201 is about 35413.7289903224. The cubic root of 1254132201 is about 1078.4030470491.

Adding to 1254132201 its reverse (1022314521), we get a palindrome (2276446722).

The spelling of 1254132201 in words is "one billion, two hundred fifty-four million, one hundred thirty-two thousand, two hundred one".