1014042521 has 16 divisors (see below), whose sum is σ = 1086259200. Its totient is φ = 943789968.

The previous prime is 1014042443. The next prime is 1014042539. The reversal of 1014042521 is 1252404101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1014042521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1014042493 and 1014042502.

It is not an unprimeable number, because it can be changed into a prime (1014042541) 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, 608936 + ... + 610598.

It is an arithmetic number, because the mean of its divisors is an integer number (67891200).

Almost surely, 2^1014042521 is an apocalyptic number.

It is an amenable number.

1014042521 is a deficient number, since it is larger than the sum of its proper divisors (72216679).

1014042521 is a wasteful number, since it uses less digits than its factorization.

1014042521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1014042521 is about 31844.0343078574. The cubic root of 1014042521 is about 1004.6590994140.

Adding to 1014042521 its reverse (1252404101), we get a palindrome (2266446622).

The spelling of 1014042521 in words is "one billion, fourteen million, forty-two thousand, five hundred twenty-one".