1205025411 has 16 divisors (see below), whose sum is σ = 1623283200. Its totient is φ = 795076128.

The previous prime is 1205025389. The next prime is 1205025443. The reversal of 1205025411 is 1145205021.

It is not a de Polignac number, because 1205025411 - 2⁶ = 1205025347 is a prime.

It is a super-3 number, since 3×1205025411³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1205025461) 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, 410230 + ... + 413156.

It is an arithmetic number, because the mean of its divisors is an integer number (101455200).

Almost surely, 2^1205025411 is an apocalyptic number.

1205025411 is a deficient number, since it is larger than the sum of its proper divisors (418257789).

1205025411 is a wasteful number, since it uses less digits than its factorization.

1205025411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1205025411 is about 34713.4759279448. The cubic root of 1205025411 is about 1064.1399187898.

The spelling of 1205025411 in words is "one billion, two hundred five million, twenty-five thousand, four hundred eleven".