123525270 has 192 divisors, whose sum is σ = 383040000. Its totient is φ = 28226880.

The previous prime is 123525263. The next prime is 123525293. The reversal of 123525270 is 72525321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 620631 + ... + 620829.

It is an arithmetic number, because the mean of its divisors is an integer number (1995000).

Almost surely, 2^123525270 is an apocalyptic number.

123525270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123525270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191520000).

123525270 is an abundant number, since it is smaller than the sum of its proper divisors (259514730).

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

123525270 is a wasteful number, since it uses less digits than its factorization.

123525270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 123525270 is about 11114.1922783439. The cubic root of 123525270 is about 498.0259095244.

The spelling of 123525270 in words is "one hundred twenty-three million, five hundred twenty-five thousand, two hundred seventy".