1011412521 has 16 divisors (see below), whose sum is σ = 1712444800. Its totient is φ = 577949904.

The previous prime is 1011412499. The next prime is 1011412529. The reversal of 1011412521 is 1252141101.

1011412521 is a `hidden beast` number, since 1 + 0 + 1 + 141 + 2 + 521 = 666.

1011412521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011412521 - 2¹¹ = 1011410473 is a prime.

It is a super-3 number, since 3×1011412521³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011412494 and 1011412503.

It is not an unprimeable number, because it can be changed into a prime (1011412529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675506 + ... + 2675883.

It is an arithmetic number, because the mean of its divisors is an integer number (107027800).

Almost surely, 2^1011412521 is an apocalyptic number.

It is an amenable number.

1011412521 is a deficient number, since it is larger than the sum of its proper divisors (701032279).

1011412521 is an equidigital number, since it uses as much as digits as its factorization.

1011412521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351405 (or 5351399 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1011412521 is about 31802.7124786550. The cubic root of 1011412521 is about 1003.7897929921.

Adding to 1011412521 its reverse (1252141101), we get a palindrome (2263553622).

The spelling of 1011412521 in words is "one billion, eleven million, four hundred twelve thousand, five hundred twenty-one".