1210430420 has 24 divisors (see below), whose sum is σ = 2629557000. Its totient is φ = 467476352.

The previous prime is 1210430387. The next prime is 1210430461. The reversal of 1210430420 is 240340121.

It can be written as a sum of positive squares in 4 ways, for example, as 3701776 + 1206728644 = 1924^2 + 34738^2 .

It is a super-2 number, since 2×1210430420² = 2930283603322752800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042895 + ... + 1044054.

It is an arithmetic number, because the mean of its divisors is an integer number (109564875).

Almost surely, 2^1210430420 is an apocalyptic number.

1210430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210430420 is an abundant number, since it is smaller than the sum of its proper divisors (1419126580).

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

1210430420 is a wasteful number, since it uses less digits than its factorization.

1210430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086987 (or 2086985 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1210430420 is about 34791.2405642570. The cubic root of 1210430420 is about 1065.7285734446.

Adding to 1210430420 its reverse (240340121), we get a palindrome (1450770541).

It can be divided in two parts, 12104 and 30420, that added together give a palindrome (42524).

The spelling of 1210430420 in words is "one billion, two hundred ten million, four hundred thirty thousand, four hundred twenty".