1061401003 has 4 divisors (see below), whose sum is σ = 1143047248. Its totient is φ = 979754760.

The previous prime is 1061400983. The next prime is 1061401049. The reversal of 1061401003 is 3001041601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061401003 - 2²⁹ = 524530091 is a prime.

It is a super-2 number, since 2×1061401003² = 2253144178338812018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061401303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40823103 + ... + 40823128.

It is an arithmetic number, because the mean of its divisors is an integer number (285761812).

Almost surely, 2^1061401003 is an apocalyptic number.

1061401003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1061401003 is a deficient number, since it is larger than the sum of its proper divisors (81646245).

1061401003 is an equidigital number, since it uses as much as digits as its factorization.

1061401003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81646244.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1061401003 is about 32579.1498200920. The cubic root of 1061401003 is about 1020.0618324044.

Adding to 1061401003 its reverse (3001041601), we get a palindrome (4062442604).

The spelling of 1061401003 in words is "one billion, sixty-one million, four hundred one thousand, three".