1011449738 has 32 divisors (see below), whose sum is σ = 1651104000. Its totient is φ = 461932416.

The previous prime is 1011449737. The next prime is 1011449759. The reversal of 1011449738 is 8379441101.

It is not an unprimeable number, because it can be changed into a prime (1011449737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205123 + ... + 1205961.

It is an arithmetic number, because the mean of its divisors is an integer number (51597000).

Almost surely, 2^1011449738 is an apocalyptic number.

1011449738 is a deficient number, since it is larger than the sum of its proper divisors (639654262).

1011449738 is a wasteful number, since it uses less digits than its factorization.

1011449738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1011449738 is about 31803.2975963185. The cubic root of 1011449738 is about 1003.8021050097.

The spelling of 1011449738 in words is "one billion, eleven million, four hundred forty-nine thousand, seven hundred thirty-eight".