1131154070 has 32 divisors (see below), whose sum is σ = 2054366496. Its totient is φ = 448416000.

The previous prime is 1131154067. The next prime is 1131154081. The reversal of 1131154070 is 704511311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 627170 + ... + 628970.

It is an arithmetic number, because the mean of its divisors is an integer number (64198953).

Almost surely, 2^1131154070 is an apocalyptic number.

1131154070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131154070 is a deficient number, since it is larger than the sum of its proper divisors (923212426).

1131154070 is a wasteful number, since it uses less digits than its factorization.

1131154070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1131154070 is about 33632.6340033010. The cubic root of 1131154070 is about 1041.9349056684.

Adding to 1131154070 its reverse (704511311), we get a palindrome (1835665381).

The spelling of 1131154070 in words is "one billion, one hundred thirty-one million, one hundred fifty-four thousand, seventy".