1121007049 has 4 divisors (see below), whose sum is σ = 1180007440. Its totient is φ = 1062006660.

The previous prime is 1121007023. The next prime is 1121007067. The reversal of 1121007049 is 9407001211.

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 1121007049 - 2¹¹ = 1121005001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121007449) 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, 29500167 + ... + 29500204.

It is an arithmetic number, because the mean of its divisors is an integer number (295001860).

Almost surely, 2^1121007049 is an apocalyptic number.

1121007049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1121007049 is a deficient number, since it is larger than the sum of its proper divisors (59000391).

1121007049 is an equidigital number, since it uses as much as digits as its factorization.

1121007049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59000390.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1121007049 is about 33481.4433529978. The cubic root of 1121007049 is about 1038.8099828420.

The spelling of 1121007049 in words is "one billion, one hundred twenty-one million, seven thousand, forty-nine".