1101149225 has 12 divisors (see below), whose sum is σ = 1489554960. Its totient is φ = 800835600.

The previous prime is 1101149213. The next prime is 1101149251. The reversal of 1101149225 is 5229411011.

It is not a de Polignac number, because 1101149225 - 2⁸ = 1101148969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101149194 and 1101149203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2001815 + ... + 2002364.

It is an arithmetic number, because the mean of its divisors is an integer number (124129580).

Almost surely, 2^1101149225 is an apocalyptic number.

It is an amenable number.

1101149225 is a deficient number, since it is larger than the sum of its proper divisors (388405735).

1101149225 is a wasteful number, since it uses less digits than its factorization.

1101149225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004200 (or 4004195 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1101149225 is about 33183.5685995343. The cubic root of 1101149225 is about 1032.6394818863.

The spelling of 1101149225 in words is "one billion, one hundred one million, one hundred forty-nine thousand, two hundred twenty-five".