1011123025 has 48 divisors (see below), whose sum is σ = 1454960448. Its totient is φ = 688896000.

The previous prime is 1011123023. The next prime is 1011123041. The reversal of 1011123025 is 5203211101.

It is not a de Polignac number, because 1011123025 - 2¹ = 1011123023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1462930 + ... + 1463620.

It is an arithmetic number, because the mean of its divisors is an integer number (30311676).

Almost surely, 2^1011123025 is an apocalyptic number.

It is an amenable number.

1011123025 is a deficient number, since it is larger than the sum of its proper divisors (443837423).

1011123025 is a wasteful number, since it uses less digits than its factorization.

1011123025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1011123025 is about 31798.1607172490. The cubic root of 1011123025 is about 1003.6940124694.

Adding to 1011123025 its reverse (5203211101), we get a palindrome (6214334126).

The spelling of 1011123025 in words is "one billion, eleven million, one hundred twenty-three thousand, twenty-five".