1210423030 has 32 divisors (see below), whose sum is σ = 2222567424. Its totient is φ = 474528096.

The previous prime is 1210422991. The next prime is 1210423031. The reversal of 1210423030 is 303240121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210422995 and 1210423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210423031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99669 + ... + 111151.

It is an arithmetic number, because the mean of its divisors is an integer number (69455232).

Almost surely, 2^1210423030 is an apocalyptic number.

1210423030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210423030 is a deficient number, since it is larger than the sum of its proper divisors (1012144394).

1210423030 is a wasteful number, since it uses less digits than its factorization.

1210423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1210423030 is about 34791.1343592013. The cubic root of 1210423030 is about 1065.7264045880.

Adding to 1210423030 its reverse (303240121), we get a palindrome (1513663151).

The spelling of 1210423030 in words is "one billion, two hundred ten million, four hundred twenty-three thousand, thirty".