1250420454 has 12 divisors (see below), whose sum is σ = 2709244356. Its totient is φ = 416806812.

The previous prime is 1250420449. The next prime is 1250420459. The reversal of 1250420454 is 4540240521.

It is an interprime number because it is at equal distance from previous prime (1250420449) and next prime (1250420459).

It is a super-2 number, since 2×1250420454² = 3127102623563132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250420459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34733884 + ... + 34733919.

It is an arithmetic number, because the mean of its divisors is an integer number (225770363).

Almost surely, 2^1250420454 is an apocalyptic number.

1250420454 is an abundant number, since it is smaller than the sum of its proper divisors (1458823902).

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

1250420454 is a wasteful number, since it uses less digits than its factorization.

1250420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69467811 (or 69467808 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1250420454 is about 35361.2846768892. The cubic root of 1250420454 is about 1077.3381102344.

Adding to 1250420454 its reverse (4540240521), we get a palindrome (5790660975).

The spelling of 1250420454 in words is "one billion, two hundred fifty million, four hundred twenty thousand, four hundred fifty-four".