1151203126 has 8 divisors (see below), whose sum is σ = 1773475200. Its totient is φ = 560044728.

The previous prime is 1151203117. The next prime is 1151203133. The reversal of 1151203126 is 6213021511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1151203097 and 1151203106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7778326 + ... + 7778473.

It is an arithmetic number, because the mean of its divisors is an integer number (221684400).

Almost surely, 2^1151203126 is an apocalyptic number.

1151203126 is a deficient number, since it is larger than the sum of its proper divisors (622272074).

1151203126 is a wasteful number, since it uses less digits than its factorization.

1151203126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15556838.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1151203126 is about 33929.3844034931. The cubic root of 1151203126 is about 1048.0547888873.

Adding to 1151203126 its reverse (6213021511), we get a palindrome (7364224637).

It can be divided in two parts, 1151203 and 126, that added together give a square (1151329 = 1073²).

The spelling of 1151203126 in words is "one billion, one hundred fifty-one million, two hundred three thousand, one hundred twenty-six".