1125336949 has 4 divisors (see below), whose sum is σ = 1227640320. Its totient is φ = 1023033580.

The previous prime is 1125336943. The next prime is 1125337009. The reversal of 1125336949 is 9496335211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125336949 - 2¹¹ = 1125334901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125336943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51151669 + ... + 51151690.

It is an arithmetic number, because the mean of its divisors is an integer number (306910080).

Almost surely, 2^1125336949 is an apocalyptic number.

It is an amenable number.

1125336949 is a deficient number, since it is larger than the sum of its proper divisors (102303371).

1125336949 is a wasteful number, since it uses less digits than its factorization.

1125336949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102303370.

The product of its digits is 174960, while the sum is 43.

The square root of 1125336949 is about 33546.0422255741. The cubic root of 1125336949 is about 1040.1457355559.

The spelling of 1125336949 in words is "one billion, one hundred twenty-five million, three hundred thirty-six thousand, nine hundred forty-nine".