260120100 has 36 divisors (see below), whose sum is σ = 752615024. Its totient is φ = 69365280.

The previous prime is 260120083. The next prime is 260120117. The reversal of 260120100 is 1021062.

It is an interprime number because it is at equal distance from previous prime (260120083) and next prime (260120117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433234 + ... + 433833.

Almost surely, 2^260120100 is an apocalyptic number.

260120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260120100 is an abundant number, since it is smaller than the sum of its proper divisors (492494924).

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

260120100 is a wasteful number, since it uses less digits than its factorization.

260120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867084 (or 867077 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 260120100 is about 16128.2392095356. The cubic root of 260120100 is about 638.3486889590.

Adding to 260120100 its reverse (1021062), we get a palindrome (261141162).

The spelling of 260120100 in words is "two hundred sixty million, one hundred twenty thousand, one hundred".