1019426854 has 8 divisors (see below), whose sum is σ = 1529754408. Its totient is φ = 509508720.

The previous prime is 1019426831. The next prime is 1019426899. The reversal of 1019426854 is 4586249101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1019426854² = 2078462221312674632, 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 3 ways as a sum of consecutive naturals, for example, 96052 + ... + 106135.

It is an arithmetic number, because the mean of its divisors is an integer number (191219301).

Almost surely, 2^1019426854 is an apocalyptic number.

1019426854 is a deficient number, since it is larger than the sum of its proper divisors (510327554).

1019426854 is a wasteful number, since it uses less digits than its factorization.

1019426854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204710.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1019426854 is about 31928.4646358073. The cubic root of 1019426854 is about 1006.4341311693.

The spelling of 1019426854 in words is "one billion, nineteen million, four hundred twenty-six thousand, eight hundred fifty-four".