1029497854 has 64 divisors (see below), whose sum is σ = 2024870400. Its totient is φ = 380822400.

The previous prime is 1029497839. The next prime is 1029497863. The reversal of 1029497854 is 4587949201.

It is a junction number, because it is equal to n+sod(n) for n = 1029497798 and 1029497807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270537 + ... + 274315.

It is an arithmetic number, because the mean of its divisors is an integer number (31638600).

Almost surely, 2^1029497854 is an apocalyptic number.

1029497854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1029497854 is a deficient number, since it is larger than the sum of its proper divisors (995372546).

1029497854 is a wasteful number, since it uses less digits than its factorization.

1029497854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 1029497854 is about 32085.7889726901. The cubic root of 1029497854 is about 1009.7374914938.

The spelling of 1029497854 in words is "one billion, twenty-nine million, four hundred ninety-seven thousand, eight hundred fifty-four".