1016040 has 32 divisors (see below), whose sum is σ = 3048480. Its totient is φ = 270912.

The previous prime is 1016033. The next prime is 1016051. The reversal of 1016040 is 406101.

Added to its reverse (406101) it gives a triangular number (1422141 = T₁₆₈₆).

1016040 = T₁₀₃ + T₁₀₄ + ... + T₁₉₂.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4114 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (95265).

2^1016040 is an apocalyptic number.

1016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016040 is an abundant number, since it is smaller than the sum of its proper divisors (2032440).

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

1016040 is a wasteful number, since it uses less digits than its factorization.

1016040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1016040 is about 1007.9880951678. The cubic root of 1016040 is about 100.5318331870.

Adding to 1016040 its product of nonzero digits (24), we get a square (1016064 = 1008²).

Adding to 1016040 its reverse (406101), we get a triangular number (1422141 = T₁₆₈₆).

The spelling of 1016040 in words is "one million, sixteen thousand, forty".