261462102 has 64 divisors (see below), whose sum is σ = 588107520. Its totient is φ = 76809600.

The previous prime is 261462077. The next prime is 261462107. The reversal of 261462102 is 201264162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261462107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513424 + ... + 513932.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2^261462102 is an apocalyptic number.

261462102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 261462102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294053760).

261462102 is an abundant number, since it is smaller than the sum of its proper divisors (326645418).

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

261462102 is a wasteful number, since it uses less digits than its factorization.

261462102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 261462102 is about 16169.7897945521. The cubic root of 261462102 is about 639.4445881227. Note that the first 3 decimals are identical.

The spelling of 261462102 in words is "two hundred sixty-one million, four hundred sixty-two thousand, one hundred two".