1010321004 has 144 divisors (see below), whose sum is σ = 3011613696. Its totient is φ = 260668800.

The previous prime is 1010321003. The next prime is 1010321009. The reversal of 1010321004 is 4001230101.

It is a happy number.

It is a super-2 number, since 2×1010321004² = 2041497062247136032, which contains 22 as substring.

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 (1010321003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1170277 + ... + 1171139.

It is an arithmetic number, because the mean of its divisors is an integer number (20913984).

Almost surely, 2^1010321004 is an apocalyptic number.

1010321004 is a gapful number since it is divisible by the number (14) 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 1010321004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505806848).

1010321004 is an abundant number, since it is smaller than the sum of its proper divisors (2001292692).

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

1010321004 is a wasteful number, since it uses less digits than its factorization.

1010321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1067 counting only the distinct ones).

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

The square root of 1010321004 is about 31785.5470929792. The cubic root of 1010321004 is about 1003.4285661664.

Adding to 1010321004 its reverse (4001230101), we get a palindrome (5011551105).

The spelling of 1010321004 in words is "one billion, ten million, three hundred twenty-one thousand, four".