123770070 has 24 divisors (see below), whose sum is σ = 321802416. Its totient is φ = 33005328.

The previous prime is 123770063. The next prime is 123770071. The reversal of 123770070 is 70077321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123770071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687522 + ... + 687701.

It is an arithmetic number, because the mean of its divisors is an integer number (13408434).

Almost surely, 2^123770070 is an apocalyptic number.

123770070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123770070 is an abundant number, since it is smaller than the sum of its proper divisors (198032346).

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

123770070 is a wasteful number, since it uses less digits than its factorization.

123770070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375236 (or 1375233 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 123770070 is about 11125.1997734872. The cubic root of 123770070 is about 498.3546851500.

The spelling of 123770070 in words is "one hundred twenty-three million, seven hundred seventy thousand, seventy".