1254420870 has 32 divisors (see below), whose sum is σ = 3026223072. Its totient is φ = 332777472.

The previous prime is 1254420857. The next prime is 1254420877. The reversal of 1254420870 is 780244521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254420877) 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, 102537 + ... + 114116.

It is an arithmetic number, because the mean of its divisors is an integer number (94569471).

Almost surely, 2^1254420870 is an apocalyptic number.

1254420870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254420870 is an abundant number, since it is smaller than the sum of its proper divisors (1771802202).

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

1254420870 is a wasteful number, since it uses less digits than its factorization.

1254420870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216856.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1254420870 is about 35417.8044209406. The cubic root of 1254420870 is about 1078.4857809235.

The spelling of 1254420870 in words is "one billion, two hundred fifty-four million, four hundred twenty thousand, eight hundred seventy".