1201425211 has 16 divisors (see below), whose sum is σ = 1392297984. Its totient is φ = 1015452864.

The previous prime is 1201425191. The next prime is 1201425259. The reversal of 1201425211 is 1125241021.

It is a cyclic number.

It is not a de Polignac number, because 1201425211 - 2⁵ = 1201425179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201423211) 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 15 ways as a sum of consecutive naturals, for example, 163431 + ... + 170623.

It is an arithmetic number, because the mean of its divisors is an integer number (87018624).

Almost surely, 2^1201425211 is an apocalyptic number.

1201425211 is a deficient number, since it is larger than the sum of its proper divisors (190872773).

1201425211 is a wasteful number, since it uses less digits than its factorization.

1201425211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1201425211 is about 34661.5811959005. The cubic root of 1201425211 is about 1063.0791007087.

Adding to 1201425211 its reverse (1125241021), we get a palindrome (2326666232).

The spelling of 1201425211 in words is "one billion, two hundred one million, four hundred twenty-five thousand, two hundred eleven".