1061400 has 96 divisors (see below), whose sum is σ = 3459600. Its totient is φ = 268800.

The previous prime is 1061393. The next prime is 1061407. The reversal of 1061400 is 41601.

It is an interprime number because it is at equal distance from previous prime (1061393) and next prime (1061407).

It is a super-2 number, since 2×1061400² = 2253139920000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17370 + ... + 17430.

2^1061400 is an apocalyptic number.

1061400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729800).

1061400 is an abundant number, since it is smaller than the sum of its proper divisors (2398200).

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

1061400 is a wasteful number, since it uses less digits than its factorization.

1061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 100 counting only the distinct ones).

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

The square root of 1061400 is about 1030.2426898552. The cubic root of 1061400 is about 102.0061511092.

The spelling of 1061400 in words is "one million, sixty-one thousand, four hundred".