1011421734 has 32 divisors (see below), whose sum is σ = 2118493440. Its totient is φ = 321305952.

The previous prime is 1011421729. The next prime is 1011421739. The reversal of 1011421734 is 4371241101.

It is an interprime number because it is at equal distance from previous prime (1011421729) and next prime (1011421739).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011421739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24997 + ... + 51455.

It is an arithmetic number, because the mean of its divisors is an integer number (66202920).

Almost surely, 2^1011421734 is an apocalyptic number.

1011421734 is an abundant number, since it is smaller than the sum of its proper divisors (1107071706).

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

1011421734 is a wasteful number, since it uses less digits than its factorization.

1011421734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26764.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1011421734 is about 31802.8573244606. The cubic root of 1011421734 is about 1003.7928408376.

Adding to 1011421734 its reverse (4371241101), we get a palindrome (5382662835).

The spelling of 1011421734 in words is "one billion, eleven million, four hundred twenty-one thousand, seven hundred thirty-four".