1011225052 has 12 divisors (see below), whose sum is σ = 1778910336. Its totient is φ = 502964960.

The previous prime is 1011224993. The next prime is 1011225073. The reversal of 1011225052 is 2505221101.

It is a super-2 number, since 2×1011225052² = 2045152211584805408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661033 + ... + 662560.

It is an arithmetic number, because the mean of its divisors is an integer number (148242528).

Almost surely, 2^1011225052 is an apocalyptic number.

It is an amenable number.

1011225052 is a deficient number, since it is larger than the sum of its proper divisors (767685284).

1011225052 is a wasteful number, since it uses less digits than its factorization.

1011225052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323788 (or 1323786 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1011225052 is about 31799.7649676849. The cubic root of 1011225052 is about 1003.7277704600.

Adding to 1011225052 its reverse (2505221101), we get a palindrome (3516446153).

The spelling of 1011225052 in words is "one billion, eleven million, two hundred twenty-five thousand, fifty-two".