1013214521 has 8 divisors (see below), whose sum is σ = 1105557600. Its totient is φ = 920910240.

The previous prime is 1013214479. The next prime is 1013214541. The reversal of 1013214521 is 1254123101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013214521 - 2⁶ = 1013214457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013214493 and 1013214502.

It is not an unprimeable number, because it can be changed into a prime (1013214541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86090 + ... + 97148.

It is an arithmetic number, because the mean of its divisors is an integer number (138194700).

Almost surely, 2^1013214521 is an apocalyptic number.

1013214521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013214521 is a deficient number, since it is larger than the sum of its proper divisors (92343079).

1013214521 is a wasteful number, since it uses less digits than its factorization.

1013214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19399.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1013214521 is about 31831.0307875821. The cubic root of 1013214521 is about 1004.3855789145.

Adding to 1013214521 its reverse (1254123101), we get a palindrome (2267337622).

The spelling of 1013214521 in words is "one billion, thirteen million, two hundred fourteen thousand, five hundred twenty-one".