1151400 has 96 divisors (see below), whose sum is σ = 3794400. Its totient is φ = 288000.

The previous prime is 1151399. The next prime is 1151401. The reversal of 1151400 is 41511.

1151400 = T₃₉ + T₄₀ + ... + T₁₉₀.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1151399) and next prime (1151401).

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

It is not an unprimeable number, because it can be changed into a prime (1151401) 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, 11350 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (39525).

2^1151400 is an apocalyptic number.

1151400 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 1151400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897200).

1151400 is an abundant number, since it is smaller than the sum of its proper divisors (2643000).

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

1151400 is a wasteful number, since it uses less digits than its factorization.

1151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1151400 is about 1073.0330842989. The cubic root of 1151400 is about 104.8114530148.

Adding to 1151400 its reverse (41511), we get a palindrome (1192911).

It can be divided in two parts, 1151 and 400, that added together give a palindrome (1551).

The spelling of 1151400 in words is "one million, one hundred fifty-one thousand, four hundred".