1151125906 has 32 divisors (see below), whose sum is σ = 2103552000. Its totient is φ = 461449872.

The previous prime is 1151125901. The next prime is 1151125949. The reversal of 1151125906 is 6095211511.

It is not an unprimeable number, because it can be changed into a prime (1151125901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6376 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (65736000).

Almost surely, 2^1151125906 is an apocalyptic number.

1151125906 is a deficient number, since it is larger than the sum of its proper divisors (952426094).

1151125906 is a wasteful number, since it uses less digits than its factorization.

1151125906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54886.

The product of its (nonzero) digits is 2700, while the sum is 31.

The square root of 1151125906 is about 33928.2464327292. The cubic root of 1151125906 is about 1048.0313546793.

The spelling of 1151125906 in words is "one billion, one hundred fifty-one million, one hundred twenty-five thousand, nine hundred six".