1601261430 has 16 divisors (see below), whose sum is σ = 3843027504. Its totient is φ = 427003040.

The previous prime is 1601261393. The next prime is 1601261447. The reversal of 1601261430 is 341621061.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1601261430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26687661 + ... + 26687720.

It is an arithmetic number, because the mean of its divisors is an integer number (240189219).

Almost surely, 2^1601261430 is an apocalyptic number.

1601261430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1601261430 is an abundant number, since it is smaller than the sum of its proper divisors (2241766074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1601261430 is a wasteful number, since it uses less digits than its factorization.

1601261430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53375391.

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

The square root of 1601261430 is about 40015.7647684010. The cubic root of 1601261430 is about 1169.9143848522.

Adding to 1601261430 its reverse (341621061), we get a palindrome (1942882491).

The spelling of 1601261430 in words is "one billion, six hundred one million, two hundred sixty-one thousand, four hundred thirty".