1133243157 has 16 divisors (see below), whose sum is σ = 1549433088. Its totient is φ = 736312320.

The previous prime is 1133243131. The next prime is 1133243197. The reversal of 1133243157 is 7513423311.

1133243157 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1133243157 - 2⁷ = 1133243029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133243197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131493 + ... + 139845.

It is an arithmetic number, because the mean of its divisors is an integer number (96839568).

Almost surely, 2^1133243157 is an apocalyptic number.

It is an amenable number.

1133243157 is a deficient number, since it is larger than the sum of its proper divisors (416189931).

1133243157 is a wasteful number, since it uses less digits than its factorization.

1133243157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500.

The product of its digits is 7560, while the sum is 30.

The square root of 1133243157 is about 33663.6771164411. The cubic root of 1133243157 is about 1042.5759483225.

Adding to 1133243157 its reverse (7513423311), we get a palindrome (8646666468).

The spelling of 1133243157 in words is "one billion, one hundred thirty-three million, two hundred forty-three thousand, one hundred fifty-seven".