1061340621 has 8 divisors (see below), whose sum is σ = 1543768224. Its totient is φ = 643236720.

The previous prime is 1061340613. The next prime is 1061340629. The reversal of 1061340621 is 1260431601.

It is an interprime number because it is at equal distance from previous prime (1061340613) and next prime (1061340629).

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

It is not a de Polignac number, because 1061340621 - 2³ = 1061340613 is a prime.

It is a super-2 number, since 2×1061340621² = 2252887827569331282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061340591 and 1061340600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061340629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080886 + ... + 16080951.

It is an arithmetic number, because the mean of its divisors is an integer number (192971028).

Almost surely, 2^1061340621 is an apocalyptic number.

1061340621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1061340621 is a deficient number, since it is larger than the sum of its proper divisors (482427603).

1061340621 is a wasteful number, since it uses less digits than its factorization.

1061340621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32161851.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1061340621 is about 32578.2231099242. The cubic root of 1061340621 is about 1020.0424886184.

The spelling of 1061340621 in words is "one billion, sixty-one million, three hundred forty thousand, six hundred twenty-one".