1201425524 has 12 divisors (see below), whose sum is σ = 2264225124. Its totient is φ = 554504064.

The previous prime is 1201425521. The next prime is 1201425541. The reversal of 1201425524 is 4255241021.

It can be written as a sum of positive squares in 2 ways, for example, as 794112400 + 407313124 = 28180^2 + 20182^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1201425493 and 1201425502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201425521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552117 + ... + 11552220.

It is an arithmetic number, because the mean of its divisors is an integer number (188685427).

Almost surely, 2^1201425524 is an apocalyptic number.

It is an amenable number.

1201425524 is a deficient number, since it is larger than the sum of its proper divisors (1062799600).

1201425524 is a wasteful number, since it uses less digits than its factorization.

1201425524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104354 (or 23104352 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1201425524 is about 34661.5857109856. The cubic root of 1201425524 is about 1063.0791930279.

Adding to 1201425524 its reverse (4255241021), we get a palindrome (5456666545).

The spelling of 1201425524 in words is "one billion, two hundred one million, four hundred twenty-five thousand, five hundred twenty-four".