1013177730 has 64 divisors (see below), whose sum is σ = 2581787520. Its totient is φ = 253584384.

The previous prime is 1013177729. The next prime is 1013177779. The reversal of 1013177730 is 377713101.

It is a super-2 number, since 2×1013177730² = 2053058225135905800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195837 + ... + 200943.

It is an arithmetic number, because the mean of its divisors is an integer number (40340430).

Almost surely, 2^1013177730 is an apocalyptic number.

1013177730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013177730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290893760).

1013177730 is an abundant number, since it is smaller than the sum of its proper divisors (1568609790).

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

1013177730 is a wasteful number, since it uses less digits than its factorization.

1013177730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 1013177730 is about 31830.4528714249. The cubic root of 1013177730 is about 1004.3734219638.

The spelling of 1013177730 in words is "one billion, thirteen million, one hundred seventy-seven thousand, seven hundred thirty".