1061416421 has 8 divisors (see below), whose sum is σ = 1145948664. Its totient is φ = 977296320.

The previous prime is 1061416393. The next prime is 1061416427. The reversal of 1061416421 is 1246141601.

It can be written as a sum of positive squares in 4 ways, for example, as 6076225 + 1055340196 = 2465^2 + 32486^2 .

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

It is not a de Polignac number, because 1061416421 - 2¹⁸ = 1061154277 is a prime.

It is a super-2 number, since 2×1061416421² = 2253209637536898482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061416427) 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, 97670 + ... + 107991.

It is an arithmetic number, because the mean of its divisors is an integer number (143243583).

Almost surely, 2^1061416421 is an apocalyptic number.

It is an amenable number.

1061416421 is a deficient number, since it is larger than the sum of its proper divisors (84532243).

1061416421 is a wasteful number, since it uses less digits than its factorization.

1061416421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206071.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1061416421 is about 32579.3864429642. The cubic root of 1061416421 is about 1020.0667715484.

The spelling of 1061416421 in words is "one billion, sixty-one million, four hundred sixteen thousand, four hundred twenty-one".