1200426436 has 24 divisors (see below), whose sum is σ = 2340487296. Its totient is φ = 534037920.

The previous prime is 1200426421. The next prime is 1200426443. The reversal of 1200426436 is 6346240021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288171 + ... + 292306.

It is an arithmetic number, because the mean of its divisors is an integer number (97520304).

Almost surely, 2^1200426436 is an apocalyptic number.

It is an amenable number.

1200426436 is a deficient number, since it is larger than the sum of its proper divisors (1140060860).

1200426436 is a wasteful number, since it uses less digits than its factorization.

1200426436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580539 (or 580537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1200426436 is about 34647.1706781376. The cubic root of 1200426436 is about 1062.7844309054.

Adding to 1200426436 its reverse (6346240021), we get a palindrome (7546666457).

The spelling of 1200426436 in words is "one billion, two hundred million, four hundred twenty-six thousand, four hundred thirty-six".