1124401020 has 24 divisors (see below), whose sum is σ = 3148323024. Its totient is φ = 299840256.

The previous prime is 1124401013. The next prime is 1124401027. The reversal of 1124401020 is 201044211.

It is an interprime number because it is at equal distance from previous prime (1124401013) and next prime (1124401027).

It is a super-3 number, since 3×1124401020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124401027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369949 + ... + 9370068.

It is an arithmetic number, because the mean of its divisors is an integer number (131180126).

Almost surely, 2^1124401020 is an apocalyptic number.

1124401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124401020 is an abundant number, since it is smaller than the sum of its proper divisors (2023922004).

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

1124401020 is a wasteful number, since it uses less digits than its factorization.

1124401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740029 (or 18740027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1124401020 is about 33532.0894070143. The cubic root of 1124401020 is about 1039.8572967414.

Adding to 1124401020 its reverse (201044211), we get a palindrome (1325445231).

The spelling of 1124401020 in words is "one billion, one hundred twenty-four million, four hundred one thousand, twenty".