1254680420 has 24 divisors (see below), whose sum is σ = 3011233344. Its totient is φ = 430176096.

The previous prime is 1254680417. The next prime is 1254680423. The reversal of 1254680420 is 240864521.

It is an interprime number because it is at equal distance from previous prime (1254680417) and next prime (1254680423).

It is not an unprimeable number, because it can be changed into a prime (1254680423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480862 + ... + 4481141.

It is an arithmetic number, because the mean of its divisors is an integer number (125468056).

Almost surely, 2^1254680420 is an apocalyptic number.

1254680420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254680420 is an abundant number, since it is smaller than the sum of its proper divisors (1756552924).

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

1254680420 is a wasteful number, since it uses less digits than its factorization.

1254680420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8962019 (or 8962017 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1254680420 is about 35421.4683490112. The cubic root of 1254680420 is about 1078.5601583214.

The spelling of 1254680420 in words is "one billion, two hundred fifty-four million, six hundred eighty thousand, four hundred twenty".